hi,

how would i find the taylor series for xe^x at b=1

i know the known taylor series for e^x but what do I do if there's an x in front and b=1

thanks

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- Oct 20th 2008, 01:21 PMkhuezytaylor series at b=1
hi,

how would i find the taylor series for xe^x at b=1

i know the known taylor series for e^x but what do I do if there's an x in front and b=1

thanks - Oct 20th 2008, 01:44 PMSpec
Just write it as

EDIT: I used the Maclaurin series, but you get the idea. - Oct 20th 2008, 01:48 PMkhuezyhow
how would this look in the sigma form? I check the answer and it had some 'e' there. how about b=1

- Oct 20th 2008, 01:55 PMSpec
If , and :

Since , we get

Or in Sigma form:

- Oct 20th 2008, 02:09 PMkhuezy?
where did u get 2+t?

- Oct 20th 2008, 02:12 PMSpec
- Oct 20th 2008, 02:19 PMkhuezy

this isn't in the taylor series formation right? - Oct 20th 2008, 02:26 PMSpec
- Oct 20th 2008, 02:35 PMkhuezythanks
if b=2 then

? - Oct 20th 2008, 02:38 PMSpec
- Oct 20th 2008, 02:44 PMkhuezy

that's the answer key to the problem. How come they look so different?