Complete Number System Class 9 in One Shot Revision in 15 Min | Class 9 Maths Chapter 1

Number system class 9 one shot | Class 9 Maths Chapter 1 | Number system class 9 | Class 9 maths chapter 1 one shot revision | Number system class 9 one shot revision | Number system one shot

Get ready to ace your class 9 maths exams with this one shot revision of the number system chapter 1 In just 15 minutes, Vishal sir will cover all the important topics for your class 9 maths exam. Don't miss this quick and efficient study session to boost your math skills and improve your grades!

#class9 #class9numbersystem #numbersystem #class9mathschapter1 #esaral

00:00 Introduction
00:24 Numbers
01:48 Real Number Line
02:14 Rational Numbers
04:11 Irrational Numbers
11:05 Operations on Real Numbers
12:33 Identities using Radical Sign
15:53 Rationalising
18:01 Laws of Exponents

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[Vaiiislept]

All the best for tomorrow's math exam 😃🙌

[savitrinagar]

Legends are watching one day before exams.LIKE ME 😂😂

[rudrasinghgaming]

solution to question 1:

4th root of [81^(-2)] = 81^(-2/4) = 81^(-1/2) = [(9^2)^(-1/2)] = 9^(2*-1/2) = 9^(-1) = 1/9


solution to question 2:

let x be (i.)
then 10x = (ii.)

subtracting (i.) from (ii.), we get:
9x = 12
x = 12/9 = 4/3

[Shraddha_borude]

Kal half yearly hai aur aaj me ch-1 padh rhe hu 😂😂

[ItachiUchihha]

PT-1 Exams Tomorrow se start hai. For Maths Chapter 1 and 2
i.e 1.Number systems 2.Polynomials
Chapter 1 Perfect
Thank You Sir

[Anmolvats-]

Mera kal Half - yearly hai 😢
Aur aaj mein 1st chapter padh rha hun 😂😂

[Dark-nightmaers]

At 2:00 am and afer 6:00 hr I have to go school to give my periodic test Idk should I cry or laugh 😂😭

[RiteshKushwaha-lrzn]

Question 1 ans=1/9
Question 2 ans=4/3

[harshtiwari]

solution to question 1:

4th root of [81^(-2)] = 81^(-2/4) = 81^(-1/2) = [(9^2)^(-1/2)] = 9^(2*-1/2) = 9^(-1) = 1/9


solution to question 2:

let x be (i.)
then 10x = (ii.)

subtracting (i.) from (ii.), we get:
9x = 12
x = 12/9 = 4/3
😎😎😎

[BailSEditZ]

Thank you sir you are the very very very very very best and i m watching this video 1 day 9 hour before exam 😅❤❤❤❤❤
X=1.3 bar
10x=13.3 bar
Ans=10x-x=13.3-1.3 bar= 12 🎉🎉

[SulekhaMaurya-iryj]

Qu.1.333.... express in p/q form
Ans= let x=1.333...---1
- Multiply by 10 both side
- 10x=1.333...x10
10x=13.333...---2
Equ.2 - Equ.1
10x-x=13.333...-1.333...
9x=12
x=12/9
x=4/3

[mayankkumar]

Thankyou Sir day after tommorow is my maths exam i wan this type of quick and healpul revision, you helped me in my weekly test 1 too ❤ so, once again sir thankyou very much🙏

[srinithiananthula]

thank you a lot sir!!.. i couldnt be able to understand what my teacher explained.. and im usually weak in maths sir.. this will help me a lot sir.. thank you

[meenakshisinghrajput-cv]

9x=12
x=12/9
x=4/3
the final answer will come x=4/3

[cutekids]

Sir kal mera pt 1 exam hai aur apne concept pura clear kar diya thank you so much sir😊

[Ashfakashraf]

Question 1 answer 1/9. Question 2 answer 4/3 right answer ❤️❤️❤️❤️

[Ridiculous_Pari]

How to decide that which no. Should be in the place of n in 1st question?? Please help me I have an periodic test after few hours 🥲

[Ashika_creative]

HW answer - 19:51

Let x = =1
10x = =2

2-1
9x=12
x=12/9

[RANGERZFF]

Thanks Esaral For This ❤ Help
Its Help me in exam I scorre 96% For only studying in this platform 🎉

[rohanedit]

Is it ok to watch ecen i didn't study chapter can i watch or watch whole ch first olz tell