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:

Limit, Continuity and Differentiability: JEE Main 2019 Mathematics question

JEE Main 2019 · 11 Jan, Evening shift · Q4188

JEE Main 201911 Jan, Evening shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002

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 :

JEE Main 2019 · 11 Jan, Evening shift · Q4188

JEE Main 201911 Jan, Evening shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002

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 :