- #1

nothingkwt

- 33

- 0

Let {An} = 2^n / n!

is it convergent or divergent and why?

is it convergent or divergent and why?

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- Thread starter nothingkwt
- Start date

- #1

nothingkwt

- 33

- 0

Let {An} = 2^n / n!

is it convergent or divergent and why?

is it convergent or divergent and why?

- #2

johnqwertyful

- 397

- 14

Not right forum.

No effort shown.

No effort shown.

- #3

arildno

Science Advisor

Homework Helper

Gold Member

Dearly Missed

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Any suggestions yourself?

- #4

tiny-tim

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Let {A_{n}} = 2^{n}/ n!

is it convergent or divergent and why?

(try using the X

tell us what

(and please use the homework forum in future)

- #5

nothingkwt

- 33

- 0

I thought of dividing both terms with the term that approached infinity more rapidly which was n!. which gave me 0, but then I saw that if 2

- #6

tiny-tim

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I thought of dividing both terms with the term …

try dividing one term by the next term instead

(ie A

- #7

nothingkwt

- 33

- 0

2*2*2*2*2... / n(n-1)(n-2)(n-3)...

So the limit goes to 0 it's clear now thanks.

So the limit goes to 0 it's clear now thanks.

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