find the sum of the series 6+12+24+.…..+384
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Answer:
Answer=762
Step-by-step explanation:
6+12+24+48+96+192+384
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Answered by
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Step-by-step explanation:
a =6
d = 6
an=384
a+( n-1)d = an
6+(n-1)d=384
6+6n-6=384
n = 384/6
n = 64
sn = n/2(a+l)
64/2(6+384)
sn = 12480
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