Number Systems - Introduction | Class 9 Maths Chapter 1
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• Class 9 Maths NCERT (N...
✅ In this video,
✔️ Class: 9th
✔️ Subject: Maths
✔️ Chapter: Number Systems (Chapter 1)
✔️ Topic Name: Number Systems - Introduction
✔️ Topics Covered In This Video (By Gaurav Sir): Detailed explanation of Chapter Number Systems with examples, Class 9 Maths Chapter 1 has been discussed in the video.
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00:00 Number Systems - Introduction
01:06 Introduction of Number Systems
29:36 Questions 1 to 4: Example: Maths
55:00 Questions 5 to 8: Example: Maths
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Thankyou sooooo much sir 🕴️
♾️ is rational number if it is than it is biggest number of the world
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In example2 find the five rational numbers between 1 and 2 when he found 3/2 can we put it in any place
Yes
What
Yes
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Yes
Sir please solve this question- Find the radius of the hemispherical bowl ,if its volume is 15.4 litres
Radius of the hemispherical bowl= ?
Thank you for watching our educational school related videos. We are glad that you are benefitting from them. In order to find the radius of the hemispherical bowl, we need to know the formula for the volume of a hemisphere
sir time:51:04 How to make three equal parts there in number line
I'm also not understand this number line system?
51:04
Maybe because the denominator of the fractions is 3?
You have to just devide it into three parts you can use compass or scale to do that and you have to divide that with denominator in this example sir has done with 3 if it was 6/2 so you have to divide the number line into two parts
Yes sir
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51:31 ths numbers will always be represented in first part and sir how we will get to know that 8/5 and -8/5 will be represented in first part in no.line??
44:16 method number 2 is amazing sir magnet brains doing amazing
tomorrow is my paper and today i am watching the video again . Thank you so much sir ❤
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Sir in time 51:04 how to make three equal parts in number line?
Use scale and equal CM like 1 CM in three parts
Hi@@Tanayfans
Hii
Sir how to find four rational numbers between ⅔ and 5/3..
Bhai jo 26.3.24 ko dheak raha ha vo like kar da
Sir one doubt 35:22 (iii) Every rational number is an integers. My doubt is that in every integers number we can convert in rational numbers like -3=-3/1
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Find a irrational no.between the no. 0.111and 0.1101 sir iska answer kya hai jo aapne home work mai diya tha
Thank you sir with the help of this video my all doubts and basics are cleared.
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1:01:55, Example no.7 me sir 20/4 se chote numbers nahi le saktee kya?....jaise 19/4,18/4,17/4 plz reply sir
Nahi 😂
Itne saaree examples book mein h kya?? (Just curious)
Thank you sir with the help of this vidio my all doubts and basics are cleared
Nice intro session with outstanding explanation covering a lot of topics.
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Sir example 5 mein agar rational number hai to use p/q ke form mein likh jaruri Hain ya nahi
Sir, if the solution of the number line question which is your own is used in the exam then will you get marks in the exam?
sir one question: is every rational number a whole number?
Thank you for your question! The answer is no, not every rational number is a whole number. Rational numbers are numbers that can be written as a fraction, where the numerator and denominator are both integers (whole numbers). Whole numbers are integers that are greater than 0, so not all rational numbers are whole numbers.
Thank you so muchhh for clearing this chapter... and to be honest you teach better than my school... all my doubts are cleared and I saw a lot of videos but this is the best oneee
Sir, I have a doubt in the third question of true false example first please explain it in the next video
Sir 1:01:56 when you said that answer is -7/4 , -6/4 , -5/4 . In that part can't we write other numbers rather then these which lies between -8/4 and 20/4
This channel deserves more and more subscribers if we look that how hard working they are.
Dear Gourav Sir,
I hope this message finds you in good health and high spirits. I am writing to express my deepest gratitude for your exceptional commitment and generosity in providing free education. Your selfless dedication to teaching has had a profound impact on my life, and I cannot thank you enough.
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Very nice
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53:59 sir ye samajh nahi AA Raha detail mae bataiye plzzz ❤
Sir I was finding difficulty in the chapter but when I saw this video .I became confident that I can get full marks in maths .thank you sir for you hard work and your explanation. You are the best teacher
1:05:40 ,sir agar denominator alag ho tb 100 rational numbers kaise find krenge, please sir explain me.
denominators ka LCM nikal ke
Bhai padahi gai bhad me maze kar
Sir !! Umm example 6 58.12 sec pr denominator same karne ke liye apne wo no. Khud se choose kra h yaa uska koi formula h?
Number LCM se nikala.
Sir you have told 2 methods to find out rational numbers between them but both get different answers .So how can we got to know that which answer is correct
I HAVE A QUESTION THAT I AM LEARNING MATHS FROM YOUR WEBSITE (MATHS OF CLASS 9TH) THERE ARE TWO PLAYLIST ONE IS OF RD SHARMA AND 2ND IS OF NCERT, ARE BOTH SAME AND JUST TEACHERS ARE DIFFERENT, OR THERE IS A DIFFERENCE?
Hi there! It's great to hear that you are learning Maths from our website. The two playlists are indeed different, as one is from RD Sharma and the other from NCERT. RD Sharma is a book for more advanced Maths topics, while NCERT is a book for basic Maths topics. We hope this helps!
@@MagnetBrainsEducation IF I LEARN FROM RD SHARMA SO THIS MEANS I WILL HAVE KNOWLEDGE OF RD SHARMA AS WELL AS NCERT BOOK, RIGHT?
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Thank you so much for your kind words - we're happy to be able to provide brilliance teacher to help students like you!
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Thank u so much sir I understand completely from u
1:06:26 Sir aapne problem to solve kar diya par iss 11 ka kya karna hai?
Best and simpler way of explanation sir. Even farther better than my school teacher.......
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thankun for replying to my other question but i have some other questions which mim really confused in if u can answer them kindly check the replies
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Very good, bahut achchi tarah se concepts clear kiye hai. Thank you
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52:14 ...Represent 5 by 3 and -5/3 on a number line I can't understand this one can you plz help me sir
33:57 , I had a doubt here , and I would be really grateful to you sir , if you would kindly help me to clear my doubt .
Hello! We're glad you're enjoying our videos and finding them helpful. We'll be happy to help you clear up any confusion - just shoot us a message and we'll get back to you as soon as possible. Keep up the good work!
In example 3 why don't we directly put -5/3 and 5/3?
Dear @MagnetBrains,
Sir in Example 2 (48:48) can we cancel all those numbers. Like: 7/6, 8/6, 9/6, 10/6, 11/6
Please reply @MagnetBrains
Regards.
Thank you so much for your question! In Example 2, we cancel the numbers because we are trying to find the lowest common denominator. If we cancel the numbers, it will be easier for us to find the lowest common denominator.
@@MagnetBrainsEducation Thank You!
😊@@MagnetBrainsEducation
Sir , example 2 ke 2 methods hai ............and if a question comes of 5 marks the which method should we apply ?
Sir, what will happen if the denominator is different then how we will represent it on number line
अच्छा पढ़ाने में मेहनत लगती है ,आप great हैं
Thank you so much sir 🙏apne 9 class ki math ko bahut accha se Samjya hai thank you so so much for teaching
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Thank you so much for your kind words! We're happy to hear that you're finding our videos useful and valuable. Keep watching and learning!
Sir I have dout in Example 6 why are you wrote ( 2)
Represent 5/3 and -5/3 on a number line. I'm confuse 🤔🤔
Sir I had kept 5/4 at the second dash from begginning. Is it right?(method 1)( time 39:32)
Agar aap 8/5 ko first point pr likhoge toh 8/8 (which is equal to 1 ) kahaa likhoge
Sir, what if there's a question that says:
Find five rational numbers between
3/5 and 4/3 ?
So,in this problem we observe that the denominators are not the same.
Make the denominators same by taking LCM and then follow the same procedure.
Hope it helps :)
Find their LCM
First do the denominator same
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Congratulations in advance on 7 million subscribers
thankyou sir ❤ I was finding difficulty in finding numbers but your video helped me a lot it was super easy. thankyou.
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@@MagnetBrainsEducation hello sir thank you sir 🤗
Ok sir
45:41 class me to 1/1 × 10/10 and 2/2 × 10/10 karne ko bola tha
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Sir i have a doubt that if there is different denominator then how do we find the rational number between the two number
Lcm lekr denominator same kr lenge..
sir when example 8 denominator is different what we do sir
at 8:07 the decimal 2.5 is a terminating decimal or it can be written in the form of p/q as -5/2 its decimal expansion is 2.5😀😀😀
sir ji Natural no is the set of counting numbers and the smallest one is (1) but to defining integer how the negative natural number terms arised?? if there is negative natural numbers then how 1 is the smallest natural no??? Define.
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Nice
If I want to find five rational no between 5 and 6 then I have to divide it with 2 or other number
In example 3 and 4 how can we place the number on any part....in that also we have to see where we have to put the number but sir put the no 8/5 after 0 same he did in example 3
2024 ke march me kon kon dekh raha hai... 😊
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Present
But what about irrational numbers sir 😅😓 i wanna understand it also by your teaching style sir please if it is possible!!😅
Hi there! Thank you for enjoying our educational videos! We're glad you're finding them helpful. We'll try to cover irrational numbers in a future video. Thanks for watching!
Thankyou so much!!🤗🤗😄 For your teaching skills that are very very helpful for me
Hmm....
Sir I am very weak on maths and it difficult for me to understand maths
When you are teaching this chapter I was really very happy because I understand very easy so thank you very much Sir
20.3.2024 ko kon dhek rha ga 😮😮
Sir book puri karni ho kam se Kam kitna time lagega