Asked by Nico

Use the recursively defined geometric sequence a1=56
, an=4an−1
and find the common ratio.(1 point)
Responses

103

Start Fraction 10 over 3 End Fraction

4
4

−23

negative Start Fraction 2 over 3 End Fraction

56

All Answers 1

Answered by GPT-5 mini AI
The common ratio is 4, since a_n = 4 a_{n-1} implies r = a_n / a_{n-1} = 4.