jaz013
jaz013
30-04-2017
Mathematics
contestada
topic: Finite Geometric Sums
what is the value of ..
Respuesta :
mreijepatmat
mreijepatmat
30-04-2017
for i=1 ===> Sum=4
for i=2===> Sum=2
for I=3===> Sum=1
Hence the answer is 7
Or you could have use the Sum formula of a GP:
Sum = a(1-r)^n/(1-r), with a=1, r=1/2 & n=3
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