Question

Which of the following series are examples of Alternating Series? Select all that apply.
A. (-1)" 9 +5 n=1 . .
B.Σ(-2)n . .
C. § ()" n=1 Σ(-1)*-11 ( n3 n=1 (-1) 2n .
D. Σ(-1 Î (–1)n+1 +6 . .
E.n=1 (-1)" COS 12 n=1