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Question

The area of the region above X-axis included between the parabola y2=x and the circle x2+y2=2x in square units is

A
23π4
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B
π432
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C
π423
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D
32π4
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Solution

The correct option is C π423

y2=x....(1)
x2+y2=2x.......(2)
Equation (2) is a circle with centre (1, 0) and radius 1. Solving (1) and (2), we get the points of intersection (0, 0) and (1, 1)
Required area=10(1(x1)2x) dx
=[x121(x1)2+12sin1x11x3/232]10
=23+π4

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