if A=(3x^2-6yz)i + (2y+3xz)j + (1-4×yz^2)k Evaluate integral A. dr from (0,0,0) to (1,1,1) along the following path C, (1) x=t, y=t^2, z=t^3. (2) the straight line (0,0,0) to (0,0,1) then to (0,1,1) to (1,1,1)​