10. let re (0,0o). a) exhibit a power series with domain of convergence (-r, r). b) exhibit a power series with domain of convergence |-r, r). c) exhibit a powe

10. Let Re (0,0o). a) Exhibit a power series with domain of convergence (-R, R). b) Exhibit a power series with domain of convergence |-R, R). c) Exhibit a power series with domain of convergence (-R, R. d) Exhibit a power series with domai of convergence [-R, R].