Posted by Lizzy on Sunday, June 30, 2013 at 6:43am.
An exponential sequence (GP)of positive terms and a linear sequence (AP)have the same first term.the sum of their first terms is 3,the sum of their second terms is 3 and the sum of their third terms is 6. Find the sum of their fifth terms

Further mathematics  Chika, Saturday, April 30, 2016 at 10:24am
I have no idea of the answer or how to solve it,please teach me