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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 − p) cos |x| is not differentiable. Then the set K is equal to:-

a.

{}

b.  

(0)                        

c.

(an empty set)

d.

{0, }


Question ID - 57128 | Toppr Answer

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

a.

{}

b.  

(0)                        

c.

(an empty set)

d.

{0, }

1 Answer - 5876 Votes

3537

Answer Key : (c) -

F(x) = sin + 2(x −  )cos x

\because sin|x| − |x| is differentiable function at x=0

 k =



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