f(x) =
f'(x) =
f''(x) =
I can see that the 6 th, 12th, 18th ... derivative of f(x) would be f(x) itself but am having difficulty understanding its relevance and am having difficulty proceeding from here,
Moved from technical forum section, so missing the homework template
Let x be a real number. Find the function whose power series is represented as follows: x^3/3! + x^9/9! + x^15/15! ...
I see that there is a connection to the power series expansion of e^x but am having difficulty finding...