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1 + \frac{2^{2}}{2!} + \frac{2^{4}}{4!} +

….. ধারাটির যোগফল হলো-

\frac{e^{3} - 1}{4}

\frac{e^{- 4} + 1}{4}

\frac{e^{- 4} - 1}{4}

\frac{e^{4} - 1}{4}

\frac{e^{4} + 1}{4}

ANS : 4

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