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Let K be the set of all values of x, wh...

Let K be the set of all values of x, where the function ` f(x) = sin |x| - |x| + 2(x-pi) cos |x| ` is not differentiable.
Then, the set K is equal to

A

`{pi}`

B

`{0}`

C

`phi`(an empty set)

D

`{0,pi}`

Text Solution

Verified by Experts

The correct Answer is:
C
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