rationalise root 2 +1/root 2-1
Answers
Answered by
0
Answer:
2 is the correct answer
Step-by-step explanation:
√2+1 ÷ √2-1
= √2/√2
= 2
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Answered by
1
Answer:
3+2(sqrt2)
Step-by-step explanation:
We have to rationalise denominater so multiply it by root2+1/root2+1
Then use the formulas [ (a+b) ^2] and for the denominator use[ (a+b) (a-b) =a^2-b^2] hope you will understand the solution from the attached pic
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![](https://hi-static.z-dn.net/files/db4/05eb35e5afc784d6211dc563967ecbbd.jpg)
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