For f(x), if the limit exists at x→a and f(x) is continuous at x = a, f(x) is never differentiable at x = a f(x) is alwa

[answerhappygod]

For F X If The Limit Exists At X A And F X Is Continuous At X A F X Is Never Differentiable At X A F X Is Alwa 1 (33.09 KiB) Viewed 27 times

For f(x), if the limit exists at x→a and f(x) is continuous at x = a, f(x) is never differentiable at x = a f(x) is always differentiable at x = a f(x) is only differentiable at x = a if there is a sharp turn or a vertical section f(x) is differentiable at x = a, as long as there is no sharp turn or vertical section