Q-6: which of the following is differentiable at x = 0
A. cos(|x|) + |x|
B. sin(|x|) + |x|
C. cos(|x|) – |x|
D. sin(|x|) – |x|
Answer:C
Q-6: which of the following is differentiable at x = 0
A. cos(|x|) + |x| B. sin(|x|) + |x| C. cos(|x|) – |x| D. sin(|x|) – |x|