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

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

A

`f'(10) = 1`

B

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

C

domain of `f(x) ` is `x ge 1`

D

range of `f(x) ` is `(-2, -1] uu (2, oo)`

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The correct Answer is:
A, B, D
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