Math, asked by AdityaRay, 11 months ago

I am weak in GP...any easy tips for it??

Answers

Answered by AJAYMAHICH
2
GP is very simple :-...

a1 , a2, a3, a4, a5 in GP

then

common ratio (r) = a2/a1 = a3/a2 = a4/a3 = a5/a4


a1 = a
a2 = ar
a3 = ar^2
a4 = ar^3
a5 = ar^4



Sn = a1 . ( 1-r^n) / (1-r)



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