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Question

The area, in square units of the region bounded by the parabolas y2=4x and x2=4y is

A
163
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B
323
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C
83
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D
43
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Solution

The correct option is A 163
The given parabolas are y2=4x and x2=4y
The point of intersection of x2=4y and y2=4x will be
x=4 and x=0
Then, the required area will be
40(4xx24)dx
=[4×23x3/2x312]40
=4×834312

=323163

=163squnits

61654_34991_ans.jpg

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