Class 9 Maths | Chapter 1 | Exercise 1.5 Q3 & Q4 | Number System | NCERT
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- Опубліковано 30 тра 2021
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In this session we will be continuing with the chapter "Number System".
We will cover Ex 1.5 Q3 Q4 of chapter 1.
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learnwithmansi
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Students bolenge fir :- Yes ma'am 😃
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Outstanding explanation of number line ❤️❤️❤️❤️
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Those who have faced problem that irrational/irrational is not always irrational number ex √5÷√5 = 1 , buddy if any number divide by itself if it is rational,irrational the answer will always 1 but if we don't divide it with itself for ex √5/√7 answer will be irrational :)
For example in question 1/√2 how come it's irrational? After solving it's coming as a rational number.
1× √2 √2
---- ---- = --------
√2× √2 2
So wouldn't it be a rational number?
@@SaraFatima782 Why the f u multiplied it with √2 again?
@@theshitpost4217 Because she wanted to remove the radical sign of the denominator
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@@SaraFatima782 the guy said it's not always irrational no. It either gives rational or irrational
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Mam can you give the steps of represent the number line
Irrational / Irrational is not always Irrational . For ex √7/√7=1 and 1 is rational number.
True
Wah beta moj krdi😘
Yea you are correct
Yes exactly
Irrational/irrational may be rational or may be irrational depends on numerator and denominator
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I have a doubt that in introduction you were saying that irrational operation with irrational can give us both rational or irrational and here in q 3 you are telling that operation of irrational with irrational will give irrational only... 3:08
It will be rational or irrational
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now this is exercise 1.4
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