Question

I need to use a geometric series summation formula to work out the following question:

One generation of feral cat corresponds to 3 years. Find the number of ancestors (parents, grandparents and so on) that a feral cat might have over 50 years.

Answer 1

3 + 6 + 12 + 24 + ⋯ is the corresponding geometric series. The sum of a geometric series can be determined using the formula: = 1( − 1)

Explanation: