Geometric sequence sum

Determine s5 of the geometric sequence if: a1 + a2 = 10 and a4 - a2 = 120

Your answer:



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Are you looking for help with calculating roots of a quadratic equation?
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: