Subject :IMO Class : Class 9

If then N equals ______.

A 1

B

C

D

## Ans 1:

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Class : Class 9

can anybody please send me the written solution of the question ?

## Ans 5:

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Class : Class 9

HInt
Hint: Square and square root the first term and for the second term write it in the form of (root2-1)^2
Then the final answer comes 1
'

## Ans 7:

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Class : Class 9

Can anybody please post the written solution of this sum?

## Ans 8:

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Class : Class 9

First Term= square and square root = root 2Second term = square root of (root2 -1)^2 = root2 -1The difference of first and second term = 1