Answer to Question #327072 in Calculus for kuster

Question #327072

Write the series 2 + 9 + 28 + 65 + ⋯ in Sigma notation.

Expert's answer

"2=1^3+1\\\\9=2^3+1\\\\28=3^3+1\\\\65=4^3+1\\\\\\\\2+9+28+65+...=\\sum_{n=1}^{\\infty}{\\left( n^3+1 \\right)}"

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