Ask Question
5 February, 04:11

Find an explicit formula for the geometric sequence 3,15,75,375

a (n) =

+5
Answers (1)
  1. 5 February, 04:20
    0
    an = 3 (5) ^ (n-1).

    Step-by-step explanation:

    15 / 3 = 5

    75/15 = 5

    375/75 = 5

    So the common ratio is 5.

    First term a1 = 3

    an = a1 r^ (n-1) is the explicit formula.

    so here we have:

    an = 3 (5) ^ (n-1).
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find an explicit formula for the geometric sequence 3,15,75,375 a (n) = ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers