Find the radius of convergence of the power senes2u were 12=0 i) an = , n= 1,2,... , ao = 0; (ii) an = 7= 1,2,... , ao = 0; (iii)an (1/3)" if n be odd (1/2)" if

Find the radius of convergence of the power senes2U were 12=0 i) an = , n= 1,2,... , ao = 0; (ii) an = 7= 1,2,... , ao = 0; (iii)an (1/3)" if n be odd (1/2)" ifn be even; (v) ao = 1, an = ( Vn +1)", n 2 1; (iv) an 2" +3", n2 1; (vi ao= 1,2 S| an IS 3 for n21. Find the radius of convergence of the power series i) 13a+ + + (ii) 4a+ 2 + 2.. + ***