If ex = 1 + x2 x 2 + x21.2 x 2 1.2 + x31.2...

Question 1 Report

If ex = 1 + $\frac{x}{2}$ + $\frac{x^{2}}{1.2}$ + $\frac{x^{3}}{1.2.3}$ + .....Find $\frac{1}{e^{x}}$

1 -

\frac{x}{2}

\frac{x^{2}}{{1.2}^{3}}

\frac{x^{3}}{2^{4} .3}

+ .........

1 -

\frac{x}{2}

\frac{x^{2}}{{1.2}^{3}}

\frac{x^{4}}{2.4.3}

+ ..

1 +

\frac{x}{2}

\frac{x^{2}}{1.2}

\frac{x^{3}}{1.2.3}

\frac{x^{4}}{1.23.4}

+ .........

1 - x +

\frac{x^{2}}{{1.2}^{3}}

\frac{x^{3}}{2^{4} .3}

+ .........

1 +

\frac{x}{2}

\frac{x^{2}}{{1.2}^{3}}

\frac{x^{4}}{1.2.6}

+ ........

Answer Details

ex = 1 + $\frac{x}{2}$ + $\frac{x^{2}}{1.2}$ + $\frac{x^{3}}{1.2.3}$ + $\frac{x^{4}}{1.23.4}$

If ex = 1 + x2 x 2 + x21.2 x 2 1.2 + x31.2.3 x 3 1.2.3 + .....Find 1ex