In which of the following are the center c and the radius of 00 convergence R of the power series Σ (2x-1)" n=15" √n given? A) c=1/2, R=5/2 B) C=1/2, R=2/5 C) c=1, R=1/5 D) c=2, R=1/5 (E) c=5/2, R=