Math, asked by ManalishaYesmin, 1 year ago

the sum of some terms of a GP is 315 whose 1st term is 5 and common ratio is 2 . find the last term and the number of terms


ManalishaYesmin: answer this plz

Answers

Answered by Anonymous
6
5 + 10+ 20+40+80+160=315

SO LAST TERM = 160
NO OF TERMS= 6

ManalishaYesmin: explain
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