- #1

turbokaz

- 19

- 0

## Homework Statement

Find all values of x for which the series Ʃ (4x+5)^n/2^n converges. (n=0; n→∞)

Answer choices: (3/4,-3/4)

(3/4,7/4)

(-7/4,7/4)

(-5/4,5/4)

(-7/4,-3/4)

## Homework Equations

## The Attempt at a Solution

I think the answer is -7/4,-3/4. If I remember correctly, there is a test that states that a series converges if the limit goes to 0. Is this correct?