JEE-Mains 2015 (9/30)

Calculus Level 2

\[\dfrac{1^3}{1}+\dfrac{1^3+2^3}{1+3}+\dfrac{1^3+2^3+3^3}{1+3+5}+ \ldots\]

What is the sum of the first 9 terms as described above?

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