Homework 11.7: pp 764--, #6, 24, 33

#6: limit comparison

(∑_(n=1)^Infinity)1/(2n+1)

#24: divergence test

L=(∑_(n=1)^Infinity)n*Sin[1/n]

#33: use the root test

(∑_(n=1)^Infinity)(n/(n+1))^(n^2)