*Please only answer if you know the answer I'm very strapped for time*

*To avoid confusion please highlight, circle, or box in the correct answer, that way I can differentiate between work and the correct answers*

Determine the radius of convergence of the following power series. Then test the endpoints to determine the interval of co I sin K - . .e of the following power series. Then test the endpoints to determine the interval of convergence.\fThe radius of convergence is R = Select the correct choice below and fill in the answer box to complete your choice. O A. The interval of convergence is (Simplify your answer. Type an exact answer. Type your answer in interval notation.) O B. The interval of convergence is {X: x = (Simplify your answer. Type an exact answer.)