Question:

The sum of an infinite geometric series is 5/9 and the common ratio is -4/5. How to find the first term.?

by  |  earlier

0 LIKES UnLike

The sum of an infinite geometric series is 5/9 and the common ratio is -4/5. How to find the first term.?

 Tags:

   Report

1 ANSWERS


  1. S∞ = a / (1 - r)

    5/9 = a / (1 - -4/5)

    5/9 = a / (9/5)

    5/9 * 9/5 = a

    a = 1

Question Stats

Latest activity: earlier.
This question has 1 answers.

BECOME A GUIDE

Share your knowledge and help people by answering questions.