Answer :

Given the boundaries of the area to be found are,

• The curve y = 4x^{2}

• y = 0, (x-axis)

• y = 2 (a line parallel to x-axis)

• y = 4 (a line parallel to x-axis)

• The area which is occurring in the 1^{st} quadrant is required.

As per the given boundaries,

• The curve y = 4x^{2}, has only the positive numbers as x has even power, so it is about the y-axis equally distributed on both sides.

• y= 2 and y=4 are parallel to x-axis at of 2 and 4 units respectively from the x-axis.

As the area should be in the 1^{st} quadrant, the four boundaries of the region to be found are,

•Point A, where the curve y = 4x^{2} and y-axis meet i.e. A(0,4)

•Point B, where the curve y = 4x^{2} and y=4 meet i.e. B(1,4)

•Point C, where the curve y = 4x^{2} and y=2 meet

•Point D, where the y-axis and y=2 meet i.e. D(0,2).

Consider the curve, y = 4x^{2}

Now,

Area of the required region = Area of ABCD.

[Using the formula]

The Area of the required region

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