Question

calc help
integral x^(3)e^(x) dx

Answer 1

Integral by Part with tabulate method 3 times!

Answer 2

could you explain tabulates method for me please? I tried using just integral by parts and came up with x^(3)e^(x) - x^(3)e^(x)

Answer 3

http://www.youtube.com/watch?v=8XPbtabzkHM

Answer 4

thank you

Answer 5

It's much easier to learn with colorful and vocal explanation :)

Answer 6

D = derivative x³ 3 times until the result is 0
I = Integral

Answer 7

answer = \[x ^{3}e ^{x}-3x ^{2}e ^{x}+6e ^{x}-6e ^{x} + C\]

Answer 8

Perfect, just make it look "pro" by factoring e^x out :)