1 Attachment(s)

Intergration problem im stuck on

I stuck in a engineering question at some intergration any help in how to do it rather than just the answer would be very helpfull as i have the asnwer but have no idea where it comes from.

[IMG]file:///C:/Users/Sami/AppData/Local/Temp/moz-screenshot.jpg[/IMG]

1 Attachment(s)

Same intergration, still struggling

I have recently posted a intergration problem and with a substitutional hint i have retried and refailed, please can someone give me a few steps to help me as i simply dont want to use the answer as i will have achieved nothing