SOLUTION: Simplify 1+a^2+a^3+................+a^n
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Algebra: Systems of equations that are not linear
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Question 6197
:
Simplify 1+a^2+a^3+................+a^n
Answer by
khwang(438)
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This is a geometric series with common ratio a,
which sum is equal to
(a^(n+1) -1) /(a-1)
Kenny
(