For each of the following series tell whether or not you can apply the 3 condition test i e the alternating series test Enter D if the series diverges by this test C if the series converges by this test and N if you cannot apply this test even if you know how the series behaves by some other test 1 n 1 n 7 1 cos n n 2 18W18W18W18W18W 3 4 5 6 1 n5 1 n 2n n 1 1 n 1 n 1 1 n 0 1 en