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nickhouraneyBest ResponseYou've already chosen the best response.0
pretty sure you have to use the partial sums formula for 8
 one year ago

hartnnBest ResponseYou've already chosen the best response.0
do u know formulae for sum of finite and infinite terms in a geometric sequence??
 one year ago

ashnaBest ResponseYou've already chosen the best response.1
It's a geometric series a + ar + ar^2 + ... with a=1 and r = 3/2. Plug into the formula
 one year ago

protosbgBest ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Geometric_progression if u have finite geometric progession the sum is a1(q^n1)/(q1) if u have infinite geometric progresion the formula is a1/(1r) where where a1 is the first therm r is the common ratio (u multyply all therms in progresion )
 one year ago
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