Lest for convergence each of the following series whose nth terms are given n 9 n 1-2-3. n 10 7-10... (3n + 4) s+5 n 11 3+2 12 r>0 vnx" 13 yn+1 1-3-5. (2n - 1)

lest for convergence each of the following series whose nth terms are given n 9 n 1-2-3. n 10 7-10... (3n + 4) S+5 n 11 3+2 12 r>0 Vnx" 13 yn+1 1-3-5. (2n - 1) 1 14 2-4-6 2n 1-3-5.. (4n - 3)2 15 2-4-6(4n 2) 4n n -1 16 n+1 x", x> 0 2-4-62n +2)n -1 X>0 17 3-5-7 . (2n + 3)