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

Let K be the set of all real values of x where the function f(x) = sin

1.	Let K be the set of all real values of x where the function f(x) = sin\|x\|-\|x\| + 2(x - π) cos\|x\| is not differentiable. Then the set K is equal to:
A.	ϕ (an empty set)
B.	{π}
C.	{0}
D.	{0, π}
Answer» B. {π}

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

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