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Find the sum

Algebra Level 2

Find the sum of \(n\) terms of the series.
\[ \sqrt{2} + \sqrt{8} + \sqrt{18} + \sqrt{32}+ \cdots \]

\[\frac {n(n+1)}{2}\] \[\frac {\sqrt{2} × n(n+1)}{2}\] 2n(n+1) n × \(\sqrt{2}\)

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by Sonveer Yadav

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