â ¡ 6 Consider 3dA where T is the triangle in the xy-plane with vertices (0,0) (2,0) and (1.V3) a) Write this integral in two different orders: dxdy and dydx (regular b)Write this integral in polar coordinates cEvaluate this integral using any method and regular y regions); lymp.sint"(1-y2+ë¸jadr 7 Consider a) Sketch the domain in xy-plane; b) Compute the integral (answ: 3/4T). 8. Consider the tetrahedron V bounded by the 4 planes x=0,y=0.2-0, x+2y+3z-6 Find different orders dxdydz,dydxdz and dzdxdy. 9Find the volume of the region bounded byz=1+3ry2 and lies above the region in the xy-plane enclosed by x=3 x=1 . (answ 169)