Number Systems - Introduction | Class 9 Maths Chapter 1

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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

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sir time:51:04 How to make three equal parts there in number line

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I'm also not understand this number line system?

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51:04

[@kirtanswain3886]

Maybe because the denominator of the fractions is 3?

[@mitakshararathore3483]

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

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Sir in time 51:04 how to make three equal parts in number line?

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Use scale and equal CM like 1 CM in three parts

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thankyou sir ❤ I was finding difficulty in finding numbers but your video helped me a lot it was super easy. thankyou.

[@MagnetBrainsEducation]

Samriddhi Tiwari Thanks a lot for checking out the video and replying back. Magnet Brains provides absolutely free videos from class KG to 12th (For CBSE Board, NTSE/Olympiad & Many Other School Level Exams). If you have any doubt related to video content, syllabus & Notes Related then email us at [e-mail] Do recommend Magnet Brains to your friends & Classmates. Also do checkout the Magnet Brains website where all Free video lectures are organized on the site for easy access. ✔ 📚 👉 Get All Subjects playlists: ​www.pabbly.com/out/all-videos-playlist ✔ ️📚 👉 Watch Full Free Course: www.magnetbrains.com ✔ ️📚 👉 Get Notes Here: www.pabbly.com/out/magnet-brains

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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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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.

[@MagnetBrainsEducation]

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.

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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??

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sir one question: is every rational number a whole number?

[@MagnetBrainsEducation]

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.

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Sir how to find four rational numbers between ⅔ and 5/3..

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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

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Nahi 😂

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[@MagnetBrainsEducation]

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

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Sir tomorrow is my Maths test and this video helped me a lot . Thankyou so much 🌸

[@MagnetBrainsEducation]

Thanks for watching our video and glad it was useful to you! We wish you the best of luck on your math test tomorrow. Keep studying and you'll do great!

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Plz teach class 6th also

[@MagnetBrainsEducation]

Amazing jodi Thanks a lot for checking out the video and replying back. Magnet Brains provides absolutely free videos from class KG to 12th (For CBSE Board, NTSE/Olympiad & Many Other School Level Exams). If you have any doubt related to video content, syllabus & Notes Related then email us at [e-mail] Do recommend Magnet Brains to your friends & Classmates. Also do checkout the Magnet Brains website where all Free video lectures are organized on the site for easy access. ✔ 📚 👉 Get All Subjects playlists: ​www.pabbly.com/out/all-videos-playlist ✔ ️📚 👉 Watch Full Free Course: www.magnetbrains.com ✔ ️📚 👉 Get Notes Here: www.pabbly.com/out/magnet-brains

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1:05:40 ,sir agar denominator alag ho tb 100 rational numbers kaise find krenge, please sir explain me.

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denominators ka LCM nikal ke

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Bhai padahi gai bhad me maze kar

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21:30 Doubt:- Sir in the concept of equivalent rational numbers can we multiply (1/2)X(1/1) and say that 1/2 is equivalent to 1/2

[@MagnetBrainsEducation]

Hi there! Great question! Yes, you are correct. When multiplying two equivalent rational numbers, the result will always be the same. In this case, (1/2)x(1/2) = 1/2.

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Thank u so much sir I understand completely from u

[@charlottebrown178]

But what about irrational numbers sir 😅😓 i wanna understand it also by your teaching style sir please if it is possible!!😅

[@MagnetBrainsEducation]

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!

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Thankyou so much!!🤗🤗😄 For your teaching skills that are very very helpful for me

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Hmm....

[@manaswanidash374]

To obtain equivalent rational number can we divide each rational number by 0/0 as we can multiple rational numbers with any same number in the numerator and denominator to obtain equivalent ratioanal number?

[@MagnetBrainsEducation]

Thank you for your comment! We're glad you're finding our videos helpful. As for your question, yes, you can divide each rational number by 0/0 to obtain equivalent rational numbers.

[@RAJANKUMAR-nt8tx]

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?

[@MagnetBrainsEducation]

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!

[@RAJANKUMAR-nt8tx]

@@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 sir 😊

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Like who are watching this video in 2024 🥲 < Le me : for my finals exam 9th 21:21

[@sanjayapradhansanjaya6976]

Sir i have a doubt that if there is different denominator then how do we find the rational number between the two number

[@pinkisingh7110]

Lcm lekr denominator same kr lenge..

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Super sir👌

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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

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I did not understand the method you used in Q--Find 5 rational numbers between 1 and 2

[@Navya_myworld123]

It's very easy

[@sarvottamsingh8586]

Agar 5 ratonal number nikalne h to 5+1=6,ab 1 me 6 se divide aur multiple tb ayega 6/6 isi tarah 2me 6 se divide aur multiple tb ayega 12/6 ok. 6/6 aur 12/6 ke beech me 7/6,8/6,9/6,10/6,11/6

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Thank you sir you are very nice teaching sir

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sir when example 8 denominator is different what we do sir

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Thank you so much .Very easy way to teach..I am here to learn to teach my kid..

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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

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Sir aap bohot accha padhate hi 😊

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Who is watching in 2024😅

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Me

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Me🎉

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Thanks sir for explanation

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[@MagnetBrainsEducation]

Thank you for your positive response! We're glad our videos were able to help you out and clear up any doubts you had. Keep up the good work and keep watching our videos!

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😊