Question

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Answer 1

(2/3)^n-1

Answer 2

to infinite or 4

Answer 3

no i am asking till where we have to find infinite or 4

Answer 4

@kanwal32

Answer 5

you mean this?

Answer 6

yes, thats what he is asking. But do u understand the solution given in the old post? u can simply substitute 3/2 by 2/3 to get ur ans...

Answer 7

there is a formula given in the old post on how to calculate the sum....did u see it?

Answer 8

I did, but it's pretty confusing, could you start me out?

Answer 9

u need to understand the 3 terms used in the formula: a, R and n

a is the initial term in the series so in this case, it is equal to
\[(\frac{ 2 }{ 3})^{1-1} \]
=1

ok?

Answer 10

Okay.

Answer 11

R is the common ratio...so what is the ratio between the first and second term in this series?

Basically what u get if u divide the second term by the first term? u already know the first term, a, is 1...

Answer 12

nope, first term is 1....what is the second term - when n=2....