Multivariable Calculus Double Integration Problem

[methstudent]

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

 

[SteamKing]

You might want to check your addition of the fractions at the end of the calculation.

 

[methstudent]

yeah, I accidentally put an extra zero on the 20. thanks!