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Question

Question: \[1 - x + \frac{x^{2}}{2!} - \frac{x^{3}}{3!} + ....\infty =\]...

1−x+x22!−x33!+....∞=1 - x + \frac{x^{2}}{2!} - \frac{x^{3}}{3!} + ....\infty =

A

exe^{x}

B

e−xe^{- x}

C

ee

D

ex2e^{x^{2}}

Answer

e−xe^{- x}

Explanation

Solution

log⁡e(mn)\log_{e}\left( \frac{m}{n} \right).