Int(int(12x^2*y^2+16x^3*y^3))dxdy

Question

Int(int(12x^2*y^2+16x^3*y^3))dxdy

Answer 1

∫∫12x²y²+16x³y³dxdy=∫(4x²y³+4x³y^4+c1)dx=4x³y³/3+4*(x^4)*(y^4) + c1x+c2