Answers

2016-07-13T18:40:07+08:00
A1= 1
d= 1
n= infinite

useĀ  \alpha 1 =  \alpha 1 r {n-1}
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2016-07-13T18:40:18+08:00
Eto yung formula. paki intindi na lang
S sub n equals A sub 1 times the binomial 1 minus common ratio raise to n all over 1 minus common ratio
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