# The question is below?

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Find the sum of the series #1+1/(4*2!)+1/(16*4!)+1/(64*6!)...oo#

Find the sum of the series

##### 1 Answer

Jun 29, 2018

See below.

#### Explanation:

Sorry, at first I could not see the formula of this series. But now I see that it is made up the following way

and the sum is then

As I don't see the answer offhand, I wanted to delete my answer, which I am not allowed to. But perhaps someone can continue from there. (Or I'll come back if I work it out.)