MATHEMATICS · Single correct · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series
Problem
For the power series f(x)=∑n=0∞an(x−c)n with radius of convergence R>0, which statement best describes the radius of convergence of f′(x)?
(a) It cannot be determined without additional information.
(b) It is the same value R.
(c) It equals 2R.
(d) It equals R2.