Integration: int ( x / sqrt[8-2x^2] ) dx  TOPIC_SOLVED

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Integration: int ( x / sqrt[8-2x^2] ) dx

Postby sepoto on Tue Dec 17, 2013 6:47 am

http://sdrv.ms/19P0FGN
http://sdrv.ms/19P0Gun

In regards to:





So the solutions manual says:


I'm wondering is that a typo? Is it not supposed to be:


Thank You...
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Re: Integration: int ( x / sqrt[8-2x^2] ) dx  TOPIC_SOLVED

Postby nona.m.nona on Tue Dec 17, 2013 1:19 pm

sepoto wrote:




So the solutions manual says:


I'm wondering is that a typo?

If one reviews the second solution method -- the "guess and check" -- one notes that the displayed differentiation does not result in the desired form. I agree with your noted change of sign.
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