Question

How many no differentiable points are there in function f (x) = | |x| - 1 | + | cos 2 pie x | in the interval (-2 , 2 ) are

please help to slove this ​

Answer 1

Answer:

1 answer

The number of points where the function f(x) = {1 + [cospix/2 ],&1 < x ≤ 2 1 - {x}, & 0 ≤ x < 1 |sinpi x|, & - 1 ≤ x < 0 . and f(1) = 0 is continuous ...