45 points! Please help! Can the formula S=A1/1-r be used to find the sum of all the terms of each sequence? Explain why or why not. Sequence One: 5, 1, 1/5, 1/25,... Sequence Tw…

Question

asked Sep 3, 2021 182k views

1 Answer

Omar Abdirahman · Answer 1 · 2021-09-07T07:28:07+0000

Answer:

Sequence One

Explanation:

S = a₁ / (1 − r) is the infinite sum of a geometric series where |r| < 1.

Sequence One: r = 1/5

Sequence Two: r = 2

Sequence Three: not geometric

Sequence Four: r = -3/2

Only Sequence One has |r| < 1.