Solve the problem.In each situation that follows, determine whether the sum of a geometric series Sn is positive or negative.i) a1 > 0, r > 0, and n is a counting numberii) a1 < 0, r > 0, and n is a counting number
A.
| i) | Sn > 0 |
B.
| i) | Sn > 0 |
C.
| i) | Sn < 0 |
D.
| i) | Sn < 0 |
Answer: A
Mathematics
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