i did the integration by parts first:
need help from this point
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First, set , then the integration by parts process won't be so tedious.
After this, a trig. substitution would work with the remaining integral.
I haven't worked much with trig sub. At this time I would probably go for a table/manual...
i did the integration by parts first: . Good!
We have: . . . Let: . . The integral becomes: . . . . . . . Back-substitute: .
We have: . . . . .
Now evaluate . . . . .
The integral becomes to
Now let and , this yields
That's my contribution
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