Use the nth term test for divergence to show that the series is divergent or state that the test is inconclusive 8 COS n 1 19 n Choose the correct answer below O A The test is inconclusive because lim cos n 19 OB The series diverges because lim cos n nx O c The series diverges because lim cos nix O D The series diverges because lim cos n18 19 n 19 n 19 n o and fails to exist exists and is equal to and fails to exist