What is the sum from n=1 to infinity of 1/((2n)!) ?

The sum from n=1 to infinity of 1/((2n)!) is converges

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

sum from n=1 to infinity of 1/((2n)!)

n = 1 \sum \infty \frac{1}{( 2 n ) !}

converges

Solution steps

n = 1 \sum \infty \frac{1}{( 2 n ) !}

Apply Series Ratio Test:

converges

= converges

x \to 0 lim ((1 - 6 x)^{\frac{1}{x}})

f (x) = 4 sec (x), at x = \frac{π}{3}

\int \frac{k}{x ^{3}} d x

\frac{d}{d x} (tan (3 x^{4}))

(sec (x) tan (x))^{^{'}}

What is the sum from n=1 to infinity of 1/((2n)!) ?
The sum from n=1 to infinity of 1/((2n)!) is converges