If f(x)=∑n=0∞anxnf(x) = \sum_{n=0}^{\infty} a_n x^nf(x)=∑n=0∞anxn and f(x)=f′(x)+f′′(x)f(x) = f'(x) + f''(x)f(x)=f′(x)+f′′(x) with f(0)=1,f′(0)=1f(0)=1, f'(0)=1f(0)=1,f′(0)=1, what is a2a_2a2?
1/21/21/2
1/31/31/3
000
111