Question

Which of the following series converges conditionally? (4 points)

A) the summation from n equals 1 to infinity of the quotient of negative 1 raised to the n plus one power and n cubed
B) the summation from n equals 2 to infinity of the quotient of negative 1 raised to the n plus one power and the natural log of n
C) the summation from n equals 1 to infinity of negative 1 raised to the n power
D) the summation from n equals 1 to infinity of the quotient of the cosine of n times pi over 3 and n factorial