Please need an answer

Consider the power series (-1) 27 2" (22 + 10) The interval of convergence goes from = = to z = The radius of convergence Is R - If needed, enter INF for oo and -INF for -oo Into: Vou nan earn partial credit on this problem. (7 point) Consider the series: (-1)"6727 vn + 8 The interval of convergence goes from to a - The radius of convergence Is R - If needed, enter //VF for co and -INF for - co Consider the power series: (z - 4)7 2 1 2 ( 7 )" The interval of convergence goes from z to z - The radius of convergence is R - If needed, enter INF for oo and -INF for -co