SOLUTION: Find the sum of the first nine terms in the series below. {1+8+27+64+125+...}

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Question 1179201: Find the sum of the first nine terms in the series below.
{1+8+27+64+125+...}

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
{1+8+27+64+125+...}
1%5E3+%2B2%5E3+%2B3%5E3%2B4%5E3%2B5%5E3....
sum of cubes
formula =%28n%5E2%28n%2B1%29%5E2%29%2F4
Here n =9
= 9%5E2%28%289%2B1%29%5E2%29%2F4
=2025