$\frac{1}{2}(e^{x}-e^{-x})$ এর ধারা বিস্তৃতি কি?

A $\frac{x^{3}}{3!} +\frac{x^{5}}{5!} +.....$

B $1+\frac{x^{2}}{3!} +\frac{x^{4}}{4!} +.....$

C $\frac{x^{3}}{3!} -\frac{x^{5}}{5!}+...$

D $x+\frac{x^{3}}{3!} +\frac{x^{5}}{5!}+...$

Solution

Correct Answer: Option D

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