Question:Prove or give a counter example: If f is continuous on R and
differentiable on R...
Question
Prove or give a counter example: If f is continuous on R and
differentiable on R...
Prove or give a counter example: If f is continuous on R and
differentiable on R ∖ { 0 } with lim x → 0 f ′ ( x ) = L , then f
is differentiable on R .