Question

1
-1
ex - ex
Х
X 0
If f(x) =
-1
ex + ex
0
x = 0
then which of the following is true for f(x) at x = 0
(1) continuous and differentiable
(2) continuous but not differentiable
(3) discontinuous
(4) undefined​

Answer 1

Step-by-step explanation:

I think (2) no.........