Math Problems Solved Craig Faulhaber
Math Problems Solved Craig Faulhaber
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College Algebra Final Review 13: Simplify: (9+i)/(-3-2i). Write your answer in the form a+bi
Here, we're dividing complex numbers
Simplify: (9+i)/(-3-2i). Write your answer in the form a+bi, where a and b are real numbers
zhlédnutí: 405

Video

College Algebra Final Review 11: Find the variation constant and equation of variation where y varie1:03College Algebra Final Review 11: Find the variation constant and equation of variation where y varie
College Algebra Final Review 11: Find the variation constant and equation of variation where y varie
zhlédnutí 194Před 3 lety
Find the variation constant and equation of variation where y varies inversely as x and y=7 when x=7.
College Algebra Final Review 14: Solve by factoring 2m^2 - 9m + 7 = 03:00College Algebra Final Review 14: Solve by factoring 2m^2 - 9m + 7 = 0
College Algebra Final Review 14: Solve by factoring 2m^2 - 9m + 7 = 0
zhlédnutí 222Před 3 lety
Solve the equation by factoring. In this problem, a is not equal to 1, so we use factoring by grouping. 2x^2 - 9x 7 = 0
College Algebra Final Review 15: Solve by Completing the Square x^2 = 16x + 102:02College Algebra Final Review 15: Solve by Completing the Square x^2 = 16x + 10
College Algebra Final Review 15: Solve by Completing the Square x^2 = 16x + 10
zhlédnutí 275Před 3 lety
Solve by Completing the Square x^2 = 16x 10
College Algebra Final Review 12: Multiply (sqrt(-9))(sqrt(-49))1:16College Algebra Final Review 12: Multiply (sqrt(-9))(sqrt(-49))
College Algebra Final Review 12: Multiply (sqrt(-9))(sqrt(-49))
zhlédnutí 119Před 3 lety
We're multiplying imaginary numbers in this problem :) Multiply (sqrt(-9))(sqrt(-49))
College Algebra Final Review 10 Write an equation for a function that has the shape of y=sqrt(x), bu2:01College Algebra Final Review 10 Write an equation for a function that has the shape of y=sqrt(x), bu
College Algebra Final Review 10 Write an equation for a function that has the shape of y=sqrt(x), bu
zhlédnutí 261Před 3 lety
Write an equation for a function that has the shape of y=sqrt(x), but reflected across they-axis and shifted right 4 unites and down 5 units
Parametric Curves 3: If a projectile is fired with an initial velocity of V meters per second at...5:15Parametric Curves 3: If a projectile is fired with an initial velocity of V meters per second at...
Parametric Curves 3: If a projectile is fired with an initial velocity of V meters per second at...
zhlédnutí 2,3KPřed 3 lety
If a projectile is fired with an initial velocity of V meters per second at an angle A above the horizontal and air resistance is assumed to be negligible, then it's position after t seconds is given by the parametric equations x=(Vcos(A))t, y=(Vsin(A))t-1/2gt^2 Show that the path of the bullet is parabolic by eliminating the parameter to find a Cartesian equation that describes the path. Your ...
Parametric Curves 2: Assume time t runs from zero to 2pi and that the unit circle has been labeled..4:57Parametric Curves 2: Assume time t runs from zero to 2pi and that the unit circle has been labeled..
Parametric Curves 2: Assume time t runs from zero to 2pi and that the unit circle has been labeled..
zhlédnutí 924Před 3 lety
Assume time t runs from zero to 2pi and that the unit circle has been labeled as a clock. Match each of the pairs of parametric equations with the best description of the curve from the following list. Enter the appropriate letter (A,,B,C,D,E,F) in each blank.
How to Parameterize a Line (Parametric Curves 1)2:06How to Parameterize a Line (Parametric Curves 1)
How to Parameterize a Line (Parametric Curves 1)
zhlédnutí 1,8KPřed 3 lety
It can be shown that the parametric equations x=x_1 (x_2-x_1)t and y=y_1 (y_2-y_1)t where t is on [0,1], describe the line segment that joins the point P1(x1,y1) and P2(x2,y2). Use this fact to find the parameterization of the line segment from (-2,7) to (3,-1)
Find the first 4 nonzero terms of the Taylor Series for f(x)=4/x centered at x=-22:37Find the first 4 nonzero terms of the Taylor Series for f(x)=4/x centered at x=-2
Find the first 4 nonzero terms of the Taylor Series for f(x)=4/x centered at x=-2
zhlédnutí 16KPřed 3 lety
Here's one more Taylor Series problem for you :)
Find the first 3 nonzero terms of the Taylor series for f(x)=√(8x−x^2) about a=47:53Find the first 3 nonzero terms of the Taylor series for f(x)=√(8x−x^2) about a=4
Find the first 3 nonzero terms of the Taylor series for f(x)=√(8x−x^2) about a=4
zhlédnutí 11KPřed 3 lety
Find the first 3 nonzero terms of the Taylor series for f(x)=√(8x−x^2 ) about a=4
Write the Taylor series for f(x)=e^x about x=1. Find the first 5 coefficients.2:12Write the Taylor series for f(x)=e^x about x=1. Find the first 5 coefficients.
Write the Taylor series for f(x)=e^x about x=1. Find the first 5 coefficients.
zhlédnutí 15KPřed 3 lety
Write the Taylor series for f(x)=e^x about x=1 as ∑_(n=0)^∞〖c_n (x−1)^n 〗 Find the first 5 coefficients.
For which values of p will the series converge?3:13For which values of p will the series converge?
For which values of p will the series converge?
zhlédnutí 10KPřed 3 lety
Here, we use the integral test to complete this calculus 2 problem. There's a pretty complicated u-substitution. Enjoy!
Write the Taylor series for f(x)=sin⁡x about x=π/2. Find the first 5 coefficients.2:54Write the Taylor series for f(x)=sin⁡x about x=π/2. Find the first 5 coefficients.
Write the Taylor series for f(x)=sin⁡x about x=π/2. Find the first 5 coefficients.
zhlédnutí 6KPřed 3 lety
Here's a good Calculus 2 problem. We find a Taylor Series for a function that isn't centered at zero. We need to calculate derivatives and function values to do this. Write the Taylor series for f(x)=sin⁡x about x=π/2 as ∑_(n=0)^∞ c_n (x−π/2)^n Find the first 5 coefficients.
Limit Comparison with SUM ln(n)/n^3 (Convergent or Divergent Series 23)2:48Limit Comparison with SUM ln(n)/n^3 (Convergent or Divergent Series 23)
Limit Comparison with SUM ln(n)/n^3 (Convergent or Divergent Series 23)
zhlédnutí 13KPřed 3 lety
Here, we use the limit comparison test to determine whether the sum of ln(n)/n^3 converges or diverges. Enjoy!
Taylor Series 3: Write the Taylor series for f(x)=x^3 about x=1 as ∑_(n=0)^∞ c_n (x−1)^n3:48Taylor Series 3: Write the Taylor series for f(x)=x^3 about x=1 as ∑_(n=0)^∞ c_n (x−1)^n
Taylor Series 3: Write the Taylor series for f(x)=x^3 about x=1 as ∑_(n=0)^∞ c_n (x−1)^n
zhlédnutí 4,2KPřed 3 lety
Taylor Series 3: Write the Taylor series for f(x)=x^3 about x=1 as ∑_(n=0)^∞ c_n (x−1)^n
MacLaurin Series 2: By recognizing each series below as a Taylor series evaluated at a particular va2:01MacLaurin Series 2: By recognizing each series below as a Taylor series evaluated at a particular va
MacLaurin Series 2: By recognizing each series below as a Taylor series evaluated at a particular va
zhlédnutí 2,2KPřed 3 lety
MacLaurin Series 2: By recognizing each series below as a Taylor series evaluated at a particular va
MacLaurin Series 1: Write out the first four terms of the Maclaurin series of f(x)1:46MacLaurin Series 1: Write out the first four terms of the Maclaurin series of f(x)
MacLaurin Series 1: Write out the first four terms of the Maclaurin series of f(x)
zhlédnutí 13KPřed 3 lety
MacLaurin Series 1: Write out the first four terms of the Maclaurin series of f(x)
How to Succeed in a Math Class7:06How to Succeed in a Math Class
How to Succeed in a Math Class
zhlédnutí 377Před 3 lety
How to Succeed in a Math Class
Use a TI calculator to find areas under the normal curve. Several examples :)8:24Use a TI calculator to find areas under the normal curve. Several examples :)
Use a TI calculator to find areas under the normal curve. Several examples :)
zhlédnutí 319Před 3 lety
Use a TI calculator to find areas under the normal curve. Several examples :)
Use Z-Scores to Find Areas Under the Normal Distribution5:23Use Z-Scores to Find Areas Under the Normal Distribution
Use Z-Scores to Find Areas Under the Normal Distribution
zhlédnutí 339Před 3 lety
Use Z-Scores to Find Areas Under the Normal Distribution
Solving e^x - 4 = -4e^-x (Solving Exponential and Log Equations Part 4 of 4)3:42Solving e^x - 4 = -4e^-x (Solving Exponential and Log Equations Part 4 of 4)
Solving e^x - 4 = -4e^-x (Solving Exponential and Log Equations Part 4 of 4)
zhlédnutí 792Před 3 lety
Solving e^x - 4 = -4e^-x (Solving Exponential and Log Equations Part 4 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 3 of 4)5:58Solving Exponential and Logarithmic Equations Homework Problems (Part 3 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 3 of 4)
zhlédnutí 100Před 3 lety
Solving Exponential and Logarithmic Equations Homework Problems (Part 3 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 2 of 4)2:30Solving Exponential and Logarithmic Equations Homework Problems (Part 2 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 2 of 4)
zhlédnutí 50Před 3 lety
Solving Exponential and Logarithmic Equations Homework Problems (Part 2 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 1 of 4)5:11Solving Exponential and Logarithmic Equations Homework Problems (Part 1 of 4)
Solving Exponential and Logarithmic Equations Homework Problems (Part 1 of 4)
zhlédnutí 240Před 3 lety
Solving Exponential and Logarithmic Equations Homework Problems (Part 1 of 4)
Find the Power Series representation of f(x)=ln(1-x^2)5:01Find the Power Series representation of f(x)=ln(1-x^2)
Find the Power Series representation of f(x)=ln(1-x^2)
zhlédnutí 11KPřed 3 lety
Find the Power Series representation of f(x)=ln(1-x^2)
Interval of Convergence 7 (Ratio Test Example!)4:07Interval of Convergence 7 (Ratio Test Example!)
Interval of Convergence 7 (Ratio Test Example!)
zhlédnutí 251Před 3 lety
Interval of Convergence 7 (Ratio Test Example!)
Interval of Convergence 6 (Root Test!)1:06Interval of Convergence 6 (Root Test!)
Interval of Convergence 6 (Root Test!)
zhlédnutí 1,2KPřed 3 lety
Interval of Convergence 6 (Root Test!)
Interval of Convergence 5 (Ratio Test)4:21Interval of Convergence 5 (Ratio Test)
Interval of Convergence 5 (Ratio Test)
zhlédnutí 461Před 3 lety
Interval of Convergence 5 (Ratio Test)
Rational Inequalities Homework (Part 3)8:49Rational Inequalities Homework (Part 3)
Rational Inequalities Homework (Part 3)
zhlédnutí 26Před 3 lety
Rational Inequalities Homework (Part 3)

Komentáře

  • @JayJay-ly4er
    @JayJay-ly4er Před 20 dny

    Thank you

  • @frostkqt9943
    @frostkqt9943 Před 28 dny

    you have saved my life thank you so much

  • @Dopeytheboat
    @Dopeytheboat Před měsícem

    Great video. Thank you.

  • @YourWrongImRight933
    @YourWrongImRight933 Před měsícem

    please don't explain it like I simply was a pro and just forgot how to do it. more detail and accuracy.

  • @vaibhavsharma7286
    @vaibhavsharma7286 Před měsícem

    wrong thumbnail

  • @mohammedalbaraddouni7176
    @mohammedalbaraddouni7176 Před 2 měsíci

    Alternating test says the series must be decreasing and positive and the limit goes on zero when n approach infinity

  • @LiveLoveLearn2111
    @LiveLoveLearn2111 Před 2 měsíci

    You forgot to tag on the 2pi from the original shell formula

  • @AsemahleNdarha
    @AsemahleNdarha Před 2 měsíci

    can i ask why the interest rate changed into a 0.5 % instead of 5%

  • @animoacid00
    @animoacid00 Před 2 měsíci

    amazingggg life saver

  • @charliez7009
    @charliez7009 Před 2 měsíci

    Thank you!

  • @agnesm8440
    @agnesm8440 Před 3 měsíci

    This is such a good explanation!

  • @fruitpunch-mouth
    @fruitpunch-mouth Před 3 měsíci

    this video saved me in college, because he at least told me i can use a calculator. =_= and what numbers to plug into it.

  • @AnkitDwivediBetu
    @AnkitDwivediBetu Před 3 měsíci

    Wrong, formula you use

  • @dusscode
    @dusscode Před 3 měsíci

    Quick and straight to the point with no unnecessary commentary. You are a lifesaver.

  • @journytojapan6115
    @journytojapan6115 Před 3 měsíci

    Very useful. Thank you for the quick lesson.

  • @hemaelganiny
    @hemaelganiny Před 3 měsíci

    thanks❤

  • @mijlk2091
    @mijlk2091 Před 3 měsíci

    Thank you!

  • @tishamaryam2575
    @tishamaryam2575 Před 3 měsíci

    type shiii

  • @JesseStOnge-wq5jo
    @JesseStOnge-wq5jo Před 3 měsíci

    I had a Differential Equations test I was struggling for on complex eigenvalues and I watched a couple other videos to try and understand the process but this guy absolutely cleared things up and thanks to him I think I rocked the test.

  • @JasonWhitson
    @JasonWhitson Před 3 měsíci

    Fantastic video and explanation!

  • @wayvislife
    @wayvislife Před 3 měsíci

    thank u so much oh my god god bless u

  • @haasofdetroit9828
    @haasofdetroit9828 Před 3 měsíci

    Absolute gem of a video

  • @haasofdetroit9828
    @haasofdetroit9828 Před 3 měsíci

    THANK YOU!!

  • @jacobhalog3952
    @jacobhalog3952 Před 3 měsíci

    how did a become 2?

  • @fk_keko730
    @fk_keko730 Před 4 měsíci

    bro carrying me in calc rn thank you

  • @arinasmagnificentchannel2310
    @arinasmagnificentchannel2310 Před 4 měsíci

    Thanks alot sir.

  • @aysenur4007
    @aysenur4007 Před 4 měsíci

    teşekkürler

  • @berilnilkurt8749
    @berilnilkurt8749 Před 4 měsíci

    Thank you:)

  • @nigward4472
    @nigward4472 Před 4 měsíci

    Very good explanation, thank you!

  • @ianthomas571
    @ianthomas571 Před 4 měsíci

    Thanks I forgot how to do this.

  • @user-vk2ko7od4b
    @user-vk2ko7od4b Před 5 měsíci

    thanks

  • @Aerospace63
    @Aerospace63 Před 5 měsíci

    Can you make one where we see what we’re supposed to plug in for x?

  • @justabunga1
    @justabunga1 Před 5 měsíci

    You can still simplify it further, which is 1/(x|ln(2x)|√(49(ln(2x))^2-1)).

  • @SwifferSweeper23
    @SwifferSweeper23 Před 5 měsíci

    This was over 4 years ago, but I wanted to say thank you so much & especially how quick to the point you were!!!

  • @i75iso63
    @i75iso63 Před 5 měsíci

    The margin of error would be 13.2% divided by 2 because isn’t 95% CI stating that it’s 2 SD away from the mean??

  • @vishnunair9753
    @vishnunair9753 Před 5 měsíci

    thanks for the amazing explanation :)

  • @zachthefat
    @zachthefat Před 5 měsíci

    Thank you, your simple words have ended my confusion!

  • @fancyducknews1494
    @fancyducknews1494 Před 5 měsíci

    this is still a great video

  • @CarolDebra-jb6wc
    @CarolDebra-jb6wc Před 5 měsíci

    Why is your voice sound so bad what the fuck

  • @mushfiqurrahmanshishir8055
    @mushfiqurrahmanshishir8055 Před 6 měsíci

    thanks

  • @chloeakf
    @chloeakf Před 6 měsíci

    thank u legend 🙏

  • @pinkcloud__
    @pinkcloud__ Před 6 měsíci

    thank you!

  • @KazACWizard
    @KazACWizard Před 6 měsíci

    can i not just translate upwards, and then rotate it?

  • @crazzzziiii
    @crazzzziiii Před 6 měsíci

    Thank you!

  • @stefanandrioskarsson3092
    @stefanandrioskarsson3092 Před 6 měsíci

    what do i do if its x+y=8, x=0 and y=0?

  • @stefanandrioskarsson3092
    @stefanandrioskarsson3092 Před 6 měsíci

    great video, quick question, what does the "Z" stand for?

  • @kailashbtw9103
    @kailashbtw9103 Před 6 měsíci

    Great video, thank you!

  • @Name-ot3xw
    @Name-ot3xw Před 6 měsíci

    Oh thank god, every other explanation seems to try for the meaning of life type explanations.

  • @hassanhameed720
    @hassanhameed720 Před 6 měsíci

    find the surface area of the object obtained by rotating y=sin(2x), 0<=x<=pi/8 about the x axis

  • @user-fr3rh2hq2j
    @user-fr3rh2hq2j Před 7 měsíci

    I requested you to speak in hindi because we are unable to understand your english