Write the explicit formula for the geometric sequence.

4​, 3​, 2 1/4, 1 11/16, . . .

2 answers

https://www.mathsisfun.com/algebra/sequences-sums-geometric.html

4 * 3/4 = 3
3 * 3/4 = 9/4 = 2 1/4
9/4*3/4 = 27/16 = 1 11/16 remarkable, we might decide r = 3/4
and the first term a = 4
Thank you