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Lovely series

Discrete Mathematics Level 3

\[\left(1+\dfrac {2}{6}+\dfrac {2\cdot5}{6\cdot12}+\dfrac {2\cdot5\cdot8}{6\cdot12\cdot18}+\cdots\right)^3 = \ ?\]

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Excel in math and science

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by Rohit Udaiwal

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