Question

can someone verify that my answer is right? Areas with integrals

Answer 1

i believe it's the first choice

Answer 2

you want me to just check it?

Answer 3

yes :) i solved it. haha

Answer 4

integration by parts is what you need right?

Answer 5

well you can use a calculator if you;d rather. I just want to be sure i got the right answer

Answer 6

if you just need a check use this
http://www.wolframalpha.com/input/?i=integral+0+to+4+xe^%28-2x%29

Answer 7

and yes, your answer is right

Answer 8

thanks!

Answer 9

yw
wolfram is your friend