answer CORRECTLY

(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). 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)" cos(n) (-1)"(n+ + 2n) N n3 - 1 (-1)"(n10 + 1) en n + n (-1)"(n3 + 1) n4 + 1 (-1) "(n3 + 1) 13 + 7