Math, asked by varampriyan123, 9 months ago

Find sn if a=5,r=3,n=12

Answers

Answered by awasthi0818

1

Answer:

Sn = 350

Step-by-step explanation:

as we know for G.P.

Sn= a(1-rn)(1-r)

Sn= 5 (1- 36) (1- 3)

Sn = 5 (-35) (-2)

Sn = 350 mark me brainliest

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