Question

f(x)={ (x)/(e^(x)-1) is differentiable at x=0?? when f(0) =1​

Answer 1

Answer:

The function

, when

and

when

(1) continuos everywhere but not differentiable at x=o (2) continuouas and differentiable everywhere (3) hot continuous at x=0 (4) differentiable at x=0