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Question

The area of the region bounded by the curve x=y2−2 and x=y is

A
94
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B
9
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C
92
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D
97
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Solution

The correct option is B 92
To find the Area of the region bounded by the curve
x=y22 and x=y

First , we have to find the point of Intersection of the 2 curves
y=y22
y2y2=0
(y2)(y+1)=0
y=1,y=2

Now , Area of the region bounded by the curve is

2y=1[y(y22)]dy

2y=1[yy2+2]dy

=[y33+y22+2y]2y=1

=92

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