Calculus III: How to solve double integrals with a stepwise guide using Wolfram Mathematica

#mathematics #wolfram #calculus
link to the maple video with the same functions is available here:

Mathematica code:
Integrate[3 y^2*x^3, x, y]
Integrate[Cos[x]*y, x, y]
Integrate[2 x^3 + 4 x^2*y^3 + 3 y^4, x, y]
Integrate[x^2*y^2, {x, 1, 3}, {y, 1, 2}]
Integrate[x*y^2, {x, 0, 2}, {y, 0, x/2}]