SOLUTION: Find the sum of the G.P 1+3+9+27+.......to 12 terms

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Question 1065479: Find the sum of the G.P 1+3+9+27+.......to 12 terms
Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
.
Find the formula for the sum of a Geom. progression in the lessons
    - Geometric progressions
    - The proofs of the formulas for geometric progressions
in this site.