Computer Science, asked by ajaryajoshi123, 7 months ago

If Sn=2 (3^n – 1) then find S4.

Answers

Answered by XxHeartHackerRahulxX

1

160 is the correct answer.....

Answered by Dynamicarmies

3

Given : Sn = 2( $3^n$ – 1)

find : S4

solution :

S4 = 2( $3^4$ - 1)

S4 = 2(81 - 1)

S4 = 2 × 80

S4 = 160

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