Distance between Two Points on the Same Coordinate Axes
Find the area...
Question
Find the area inside the circle x2−2x+y2−4y+1=0 and outside the ellipse x2−2x+4y2−16y+13=0:
A
4πsq.units
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B
πsq.units
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C
2πsq.units
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D
π/2sq.units
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Solution
The correct option is A2πsq.units Circle x2−2x+y2−4y+1=0 (x−1)2+(y−2)2=4 Ellipse x2−2x+4y2−16y+13=0 (x−1)2+4(y−2)2=4 From the figure, The required answer = Area of circle − Area of ellipse =π22−π(1)(2) =2π