With trig sub it whittlles down nicely. Let Make the subs and you get:
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Originally Posted by galactus With trig sub it whittlles down nicely. Let Make the subs and you get: yeah I did it that way, but I got stuck on the limits of integration I don't know what is. Is there a quick way to figure out what they are?
Originally Posted by FalconPUNCH! yeah I did it that way, but I got stuck on the limits of integration I don't know what is. Is there a quick way to figure out what they are? -Dan
Originally Posted by FalconPUNCH! I get hmmm...seem to be getting the limits of integration wrong which is happening in my homework a lot. for this one is it best to use u substitution from the start? Alternatively, make the substitution . Then the integral becomes . Details can be given if needed .....
Originally Posted by mr fantastic Alternatively, make the substitution . Then the integral becomes . Details can be given if needed ..... . where the positive root is used. Then: , which integrates easily to give .
Thank you guys for helping me out. I'm going to use this thread as a reference so I won't forget how to do these.
Originally Posted by FalconPUNCH! Thank you guys for helping me out. I'm going to use this thread as a reference so I won't forget how to do these. Good thinking, 99
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