(1 point) For each of the following series, tell whether or not you can apply the 3-condition test (i.e. the alternating series test). If you can apply this test, enter D if the series diverges, or C if the series converges. If you can't apply this test (even if you know how the series behaves by some other test), enter N. (-1)~n! nn (-1)~n! Z en (-1)nnn (-1)2 O n2 + 5 (-1)"en Z O (-1)" cos (nT)