Math, asked by lemba, 7 months ago

Find the 7th term and sum up to 7 terms of the GP 3, 6, 12, …​

Answers

Answered by omsalokhe2004Om
2

Answer:

Here, a=3,n=7

r=

3

6

=2

Therefore,

S

n

=a(

r−1

r

n

−1

)

S

7

=a(

r−1

r

7

−1

)=3(

2−1

2

7

−1

)=3(128−1)=381

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