Let f : R → R be define as : f (x) = 2 2 a b cos 2x ; x 0 x x cx 2 ; 0 x 1 2x 1 ; x 1 − ⎧ ⎪ ⎪ ⎩ If f is continuous every where in R and m is the number of points where f is NOT differential then m + a + b + c equal :

Question

Let f : R → R be define as : f (x) = 2 2 a b cos 2x ; x 0 x x cx 2 ; 0 x 1 2x 1 ; x 1 − ⎧ < ⎪ ⎪ ⎪ + + ≤ ≤ ⎨ ⎪ + > ⎪ ⎪ ⎩ If f is continuous every where in R and m is the number of points where f is NOT differential then m + a + b + c equal :

Accepted Answer

2

Let f : R → R be define as : f (x) = 2 2 a b cos 2x ; x 0 x x cx 2 ; 0 x 1 2x 1 ; x 1 − ⎧ < ⎪ ⎪ ⎪ + + ≤ ≤ ⎨ ⎪ + > ⎪ ⎪ ⎩ If f is continuous every where in R and m is the number of points where f is NOT differential then m + a + b + c equal :

Related JEE Main General questions