Setting up a Double Integral Using Both Orders of Integration

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  • čas přidán 5. 08. 2024
  • This videos shows the setup of 3 double integrals using both orders of integration. Two are bounded by curves and the third example is a triangular region.
    mathispower4u.wordpress.com/

Komentáře • 46

  • @youneszahr9097
    @youneszahr9097 Před 7 lety +35

    the is the clearest example on the internet. this video should be recommended first.

  • @guitargeek5584
    @guitargeek5584 Před 7 lety +18

    Exactly what I needed, efficient and straight to the point. Also, a MASSIVE thank you for the closed captions!

  • @Frank_The_Tank22
    @Frank_The_Tank22 Před 7 lety +1

    Clearest and best examples on youtube. Thanks for all the hard work you do.

  • @GuppyPal
    @GuppyPal Před 3 lety

    This was great. I'm taking two different classes that use this stuff, and both classes just kind of brushed over it. It's really helpful to spend even just 10 minutes going through examples. THANK YOU!

  • @Blossoms777
    @Blossoms777 Před 11 lety +13

    Loved the last example in particular! You're awesome!

  • @Lexyvil
    @Lexyvil Před 2 lety

    Thank you! My professor didn't elaborate how we had to go from left to right when obtaining the lower and higher bounds of the integral with respect to x. It explains a lot, thanks!

  • @Blossoms777
    @Blossoms777 Před 11 lety +1

    Thank you, darling! That is just the kind of knowledge and detail that I need for my studies. You're the best!

  • @Caleb-mf6cp
    @Caleb-mf6cp Před 10 měsíci

    I yook your online classes at Phoenix College for Calc I-III. I am now a senior EE student at ASU and just want to say that your videos are still the best reference material for when I need to refresh on Calculus topics. Thank you!

    • @Mathispower4u
      @Mathispower4u  Před 10 měsíci

      Congratulations! I appreciate you for taking the time to comment. I happy to hear you are doing so well.

  • @steveying1305
    @steveying1305 Před 3 měsíci

    the best one explaining double integral, goat

  • @Mathispower4u
    @Mathispower4u  Před 11 lety +1

    Actually from 0 to 1, y=x^3 would be below y=x^2. If we consider x=1/2
    (1/2)^3 = 1/8 and (1/2)^2 = 1/4. 1/8 is less than 1/4 so y=x^3 would be below y=x^2. I hope that makes sense. However, after x = 1, y=x^3 would be above y = x^2. I'm glad you find the videos helpful!

  • @bobbobby5550
    @bobbobby5550 Před 8 lety

    You, my friend, are awesome. Thank you.

  • @ronaldjensen2948
    @ronaldjensen2948 Před 6 lety

    Thank you for helping me understand this aspect of multivariate calculus

  • @winner1338
    @winner1338 Před 5 lety +1

    oh yeah, this is what i've been looking for. thank you.

  • @eggxecution
    @eggxecution Před 5 lety

    Thank you so much this really helped me a lot!

  • @phannguyen723
    @phannguyen723 Před 11 lety

    Liked and subscribed. Very efficient and well organized thought.

  • @hussainalfuraty508
    @hussainalfuraty508 Před 5 lety

    Thanks, this was so helpful.

  • @glydelcabale316
    @glydelcabale316 Před 7 měsíci

    Been looking for this kind of explanation, thank you for this,

  • @caiofdacosta
    @caiofdacosta Před 5 lety

    Hey there! What if the problem gives a region but not a explicit function to use (like f(x,y)=(x+y))?

  • @xiii1818
    @xiii1818 Před 8 lety

    best tut in yt for finding limits Thumbs up

  • @none4793
    @none4793 Před rokem

    Exactly what I needed.

  • @DhananjayKumar-dq6yn
    @DhananjayKumar-dq6yn Před 6 lety +1

    Thanks.. Its very helpful...

  • @y_p7
    @y_p7 Před 6 lety

    Tanxxxxxxx you're a life saver!!!! Btw that quote was awesome

  • @leventebeier2846
    @leventebeier2846 Před 6 lety

    you are my savior

  • @traintitbits8186
    @traintitbits8186 Před 4 lety

    Wonderful! Thank u very much!

  • @halhauder79
    @halhauder79 Před 11 lety +1

    when you changed the integration how did you see that sq root of y is the lower limit . your graph did not change? am very confused please help
    thanks

    • @jessebensen3569
      @jessebensen3569 Před rokem +1

      I get that this a 9 year old question, but for anyone else with confusion about this, I'll try to explain it using the first example in the video.
      When initially integrating with respect to y first, you can clearly see that within the region, the y limits should be from the lower function to the higher function (x cubed to x squared). When he changed the order of integration such that we integrate with respect to x first, you need to think of lower to higher as left to right instead of bottom to top. Also, since he's now integrating with respect to x first, the limit needs to be such that x = the limit. Looking at the graph, it's obviously not very clear which function is further to the left when you're near the origin, but if you draw the little rectangles as he did in the video, you will clearly see that y = x^2 is further to the left than y = x^3, so after setting both of those function equal to x, you end up with a lower limit of y^(1/2) to the higher limit y^(1/3).

  • @gregwes
    @gregwes Před 6 lety +2

    omg, so helpful

  • @kkp180995
    @kkp180995 Před 9 lety +1

    Thank you !!

  • @ericzhang6636
    @ericzhang6636 Před 6 lety

    great work

  • @thespectre939
    @thespectre939 Před 4 lety

    Thank you sir! 🙂🙂🙂

  • @gizbythetime
    @gizbythetime Před 9 lety

    Thanku !!

  • @eng.tahanial-khaledi8884

    thank you..

  • @sophieyang
    @sophieyang Před 4 lety

    THANK YOU

  • @judcyrus8246
    @judcyrus8246 Před rokem

    thank youuu

  • @aishwaryar1998
    @aishwaryar1998 Před 3 lety

    Thank u

  • @jorgelau9033
    @jorgelau9033 Před 2 lety

    it was great

  • @Blossoms777
    @Blossoms777 Před 11 lety

    You mislabeled the graphs. y= x^2 is the outside curve, not the inside curve. Remember the graph of x^3 increases faster than the y= x^2 graph so it is more narrow.
    I love your videos, and thanks a million for them.

    • @jessebensen3569
      @jessebensen3569 Před rokem +1

      You are incorrect, he did not mislabel the graph. The graph is showing each function between (0, 0) and (1, 1). Every single x value that isn't tied to an intersection point is on the interval
      0 < x < 1. For every possible x value on that interval, the result of (x)(x) will be greater than the result of (x)(x)(x).
      Example: x = 1/2
      f(1/2) = y = x^2 = (1/2)(1/2) = 1/4
      g(1/2) = y = x^3 = (1/2)(1/2)(1/2) = 1/8
      1/4 > 1/8

    • @Pestrutsi
      @Pestrutsi Před 11 měsíci +1

      This. One can also consider the auxiliary function
      g(x) = x^3 - x^2 = x^2(x-1)
      on the interval (0,1) to explicitly see the which is the majorant function in this set.

  • @mpregsonic5874
    @mpregsonic5874 Před měsícem

    He sounds like the voice translation box Finn and Jake got for Lady Rainicorn so Finn could understand her but it only worked in old man mode

  • @robbevanaken933
    @robbevanaken933 Před 6 lety

    Why not from -1 to 0 plus 0 to 1?

  • @hallowvalor3477
    @hallowvalor3477 Před 4 měsíci

    Bro that verse she just quoted is from Al Anfal, which is literally talking about the battle of Badr, where Pagans. Brought their army to medina to slaughter Muslims, that verse is referring to them (specifically Quraysh), not innocent people. Quraysh had been slaughtering and oppressing them for decades.
    The verse is merely reminding them of their enemies and to continue fighting them as they have initiated an attack on the Muslims.
    Lying is not a good habit. Read with an open mind next time and don’t pull verses out of context and read the whole chapter and understand it’s context if you’re going to make a judgement.
    The quote of the Americans saying “kill the japs” from WW2 isn’t applicable to present time, and it would be a dumb statement to say it would apply towards japans civilians in 2024.

    • @hallowvalor3477
      @hallowvalor3477 Před 4 měsíci

      Also btw this video was pulled from Ali Dawahs channel, where he refuted her interpretation of the verse with the context, but she ran away 😂