Prove that the curves `y^2=4x` and `x^2=4y` divide the area of the square bounded by x=0,x=4, y=4 and y=0 into three equal parts

Prove that the curves y^(2)=4x and quad x^(2)=4y divide the area of the square bounded by x=0,x=4,y=4 and y=0 into three equal parts.

Prove that the curves y^(2)=4x and x^(2)=4y divide the area of square bounded by x=0,x=4,y=4 and y=0 into three equal parts.

Prove that the curves y^2=4x and x^2=4y divide the area of square bounded by x=0,x=4,y=4 and y=0 into three equal parts.

Prove that the curves y^(2) = 4x and x^(2) = 4y divide the area of the square bounded by x = 0, x = 4 and y = 0 into three equal parts.

Prove that the curves y^2 = 4x, x^2 = 4y , divide the area of the square bounded by x = 0, x= 4, y = 4, y = 0 into three equal parts.

Prove that the curves y^(2)=4x and x^(2)=4y divide the area of the square bounded by the lines x = 0, x = 4, y = 4 and y = 0 into three equal parts.

The area bounded by y=4-x^(2),y=0 and y=3 is

The area bounded by y=4-x^(2),y=0 and y = 3 is