Suppose we have a unit square $[0,1] \times [0,1]$ and some function $f(x,y)$. Say you want to find the volume below the the plane $y=x$. Would it be
$\int_{0}^{1} \int_{y}^{1} f(x,y) \ dx \ dy$?
Suppose we have a unit square $[0,1] \times [0,1]$ and some function $f(x,y)$. Say you want to find the volume below the the plane $y=x$. Would it be
$\int_{0}^{1} \int_{y}^{1} f(x,y) \ dx \ dy$?