Using I think I solved the part under the radical correctly ( ) If I plug in and and use for the radical I get: I can change it to But don't know what to do next.
Follow Math Help Forum on Facebook and Google+
Originally Posted by redman223 Using I think I solved the part under the radical correctly ( ) If I plug in and and use for the radical I get: I can change it to But don't know what to do next. Make the substitution . But you'd be much better off making the substitution in the original integral. You get
This is one of those problems where they want you to solve it using their method, so I am stuck using Which when I set I come up with: If I am right, then what is the next step?
Originally Posted by redman223 This is one of those problems where they want you to solve it using their method, so I am stuck using Which when I set I come up with: If I am right, then what is the next step? Now you have to re-substitute : From the Pythagorean Identity, where it's sufficient to take the positive root.
View Tag Cloud