Question

\[\large \int_{1}^{\infty} e^{-x^2}(\frac1x-2x\ln x)dx\]

Answer 1

Do u need this for skewl? Or r u just curious?

Answer 2

It came up on this site, and I got an answer that always makes me suspicious.

Answer 3

ohhh cuz I was gonna go ask my tutor. If i have free time than i will

Answer 4

thanks but it's not really urgent, I just wanna see a different approach.
maybe I'm wrong

Answer 5

are you getting an answer of 0?

Answer 6

yep :)

Answer 7

how did you get it?

Answer 8

oh strictly numerical...graphing calculator

Answer 9

Well that is assuring, I'll leave it for fun then.

Answer 10

i think its because part of it is negative which cancels out the positive area

Answer 11

that was my problem, I couldn't visualize it
but that is the only way we could get zero of course; it's not always zero.

Answer 12

well here it is
http://openstudy.com/study#/updates/4f36e9fde4b0fc0c1a0d1cc8
I suppose that's the way they wanted it done