2. in the following, sequences (an) are given. determine whether or not the sequences converge, and if so, determine limn? ooan with proof. reviewing practices 3.23, 3.25, and 3.30 may be . as . printing is for personal, private use only. no part of this book may be reproduced or transmitted ill be prosecuted. sequences and their limits 121 3 1 for odd n, 0 for even n. (a) an= b) an c) aln (d) an (hint: see 2 2n+1 1 for even n. 2n-1 n2 for odd n, exercise 11. n for even n. n. hnt rationalize.