Fundamentholfundamenthol
JEE Main2019Math
Q.

Let K be the set of all real values of x where the function cos |x| is not differentiable. Then the set K is equal to :

  1. A

    {} 

  2. B

    (an empty set)

  3. C

    {0}

  4. D

    {0, } 

Solution

← Back to full paper

Practice more Math

Concept-wise practice with instant solutions on Fundamenthol.

Start practicing →