- #1

sarah22

- 26

- 0

I thought it is (e^x)^2 with u = e^x

so it should be u^2 but he get only u without a square. Can anyone here explain it.

The red box.

http://img6.imageshack.us/img6/3272/whatj.png

so it should be u^2 but he get only u without a square. Can anyone here explain it.

The red box.

http://img6.imageshack.us/img6/3272/whatj.png

Last edited by a moderator: