Question

Write a Maclaurin series for f(x)= xe^x..
I

Answer 1

I got \[\sum_{n=0}^{\infty}(2nx^n)/n!\] But I dont think I am right

Answer 2

http://www.wolframalpha.com/input/?i=maclaurin+for+xe^x

Answer 3

LOL I was trying for like 5 minutes to get wolfram to work for it, it kept misinterpreting thanks.. I forgot that I could just multiply X by the already known maclaurin series for e^x

Answer 4

:) Thats what I was thinking. You can do that because the series is summed over n not x. So you can use it as a "multiplier"

Answer 5

sometimes the obvious isnt so obvious.. At least it seems to work that way for me :P lol

Answer 6

Haha, I know the feeling :P

Answer 7

thanks abstract, i see what i was doing wrong to get the 2n now lol

Answer 8

np!