swaha Posted July 24, 2009 Share Posted July 24, 2009 B(m,n)=gamma(m).gamma(n)/gamma(m+n) while changing the variables x to rcosz, y=rsinz and taking their differentials we tactly assume the terms containing (dz)^2 & (dr)^2 terms vanish. we only consider terms containing dzdr in the double integral in place of dxdy can somebody please explain why (dz)^2 & (dr)^2 terms vanish or not considered for the double integral? Link to comment Share on other sites More sharing options...
Bignose Posted July 24, 2009 Share Posted July 24, 2009 I think you need to provide more detail. You have B(m,n) and then you have variables x, y, z, and r? I'm confused... Link to comment Share on other sites More sharing options...
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