Math, asked by mohanfulzele, 11 months ago

3,6,12,24,....find Sn

Answers

Answered by pinkikasyap

2

Step-by-step explanation:

sn what is question plz send again .Not able to understand Question

Answered by artistvikash1

1

Answer:

Sn is n/2(2a+(n-1)d)

then

n/2(3+3n)

3n/2+3n^2/2

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