Multivariable Calculus Double Integration Problem

methstudent
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1. Find the volume of the region above the triangle in the xy-plane with vertices (0,0) (1,0) (0,1) and below the surface z =f(x,y)=6xy(1-x-y)

My attempt is attached
 

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You might want to check your addition of the fractions at the end of the calculation.
 
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yeah, I accidentally put an extra zero on the 20. thanks!
 

Thread 'Finding the nth roots of a complex number'

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