SOLUTION: Find the sum of the first 12 terms of 4,24,144,864,...

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Question 1197506: Find the sum of the first 12 terms of 4,24,144,864,...
Answer by ewatrrr(24785) About Me  (Show Source):
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Find the sum of the first 12 terms of 4,24,144,864,...
Geometric
a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29
  r = 6  n = 12
 sum%28+a%5Bi%5D%2C+i=1%2C+n+%29+=+a%5B1%5D%28%281-r%5En%29%2F%281-r%29%29 
        = %284%281-6%5E12%29%29%2F%281-6%29
Will let You finish  it Up