i got (integral) 1/(u^2 +7/4) du the answer is [2/sq.rt.7]( arctan (2u/sq.rt.7)) arctan u is the integral of (1/1+u^2)
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Originally Posted by twostep08 i got (integral) 1/(u^2 +7/4) du the answer is [2/sq.rt.7]( arctan (2u/sq.rt.7)) arctan u is the integral of (1/1+u^2) Remember that in general In this case, your So you're gonna need to use a substitution . EDIT: Sorry I used a different variable. I forgot that you're using u instead of x lol.
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