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If f(x) = |sin x - |cos x||, then the va...

If `f(x) = |sin x - |cos x||`, then the value `f'(x)` at `x = 7 pi//6` is

A

positive

B

`(1 - sqrt(3))/(2)`

C

`0`

D

negative

Text Solution

Verified by Experts

The correct Answer is:
A
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