On: Using Wolfram Alpha to prove 1=0

[mrfu]

Riddle me this: what value does the power series Σn=0∞xn/n! have, in terms of x? Of course, the answer is ex

From my (fuzzy) math memories, I thought that:

exp(x)= 1 + (x^1/1!) + (x^2/2!) + ... + (x^n/n!) + o(x^n) _near_ x=0