Apply the Test for Divergence to each series. (Remember that the only conclusions from the Test for Divergence are that the series diverges or the test is inconclusive.) (a) 6 cos (n + 4) 2 6 cos 3n +6 (b) n=1 (n + 1)(n+2) (c) In(n) n3 n=1 n=1 5.3 The Integral Test Use the Integral Test to determine whether each series converges or diverges. 8 (a) 1 n=2 n (In(n))3 n (b) 1+n n=1 (c) n=1 1 2n+1