11. Find the area of the portion of the surface f(x, y) 1-x2+ y that lies above the triangular re...
11. Find the area of the portion of the surface f(x, y) 1-x2+ y that lies above the triangular region with vertices (1, 0, 0), (0, -1, 0) and (0, 1, 0).
11. Find the area of the portion of the surface f(x, y) 1-x2+ y that lies above the triangular region with vertices (1, 0, 0), (0, -1, 0) and (0, 1, 0).