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Let f(x)=(sqrt(x-2sqrt(x-1)))/(sqrt(x-1)...

Let `f(x)=(sqrt(x-2sqrt(x-1)))/(sqrt(x-1)-1).x` then

A

`f'(10)=1`

B

`f'(3//2)=-1`

C

domain of `f(x)` is `xle1`

D

None of these

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The correct Answer is:
A, B
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