# 4no's r in G.P such tht sum of the 1st term n 3rd term is 15 n sum of the other 2 terms is 30 find G.P?????

1
Plz answer as soon as possible...

Plz any 1 help me knw

Log in to add a comment

Plz answer as soon as possible...

Plz any 1 help me knw

Log in to add a comment

a+ar^2=15

ar+ar^3=30 (given)

nth term of gp is ar^(n-1).

solve d equations n get d answer..