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Limits Continuity and Differentiability question

2019 · 11 Jan · Shift 2 · Q35

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JEE Main
Mathematics
Limits Continuity and Differentiability
2019 · 11 Jan · Shift 2 · Q35

Limits Continuity and Differentiability question

2019 · 11 Jan · Shift 2 · Q35

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1

Let K be the set of all real 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
{0, $\pi$ }
B
$\phi$ (an empty set)
C
{ r }
D
{0}

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