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anonymous
 one year ago
What is the sum of the first eight terms of a geometric series whose first term is 3 and whose common ratio is 1/2?
anonymous
 one year ago
What is the sum of the first eight terms of a geometric series whose first term is 3 and whose common ratio is 1/2?

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1do you know the formula to find sum of geometric ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1when common ration is less than one then lrl <1 you have to use this formula to \[\frac{ a }{ 1r }\]

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1wehre a is first term r=1/2

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1substitute a and r for their values then solve
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