AP

MATHEMATICS · Single correct · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

y=1+x+\frac{x^2}{2!}+\frac{x^3}{3!}+\cdots

, then

\frac{dy}{dx}=

(a)

y

(b)

y-1

(c)

y+1

(d) None of these