Math, asked by ggjvgjjj1079, 11 months ago

Finds Sn for each of the geometric a=2,t6=486,n=6

Answers

Answered by ishachoudhury4
1

Answer:

Here a=2,t6=486,n=6

Now t6=2(r)5=486

⇒r5=243

⇒r=3.

Now, Sn=r−1a(rn−1) if r=1

Thus, S6=3−12(36−1)=36−1=728

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