Answer:
Given
curves are
x
= y2 ?. (1)
x
= 4 ?. (2)
x
= a ??(3)
For (1), x = y2
Since the line x
= a divides the shaded area in two equal parts, therefore.
[By symmetry
take first quadrant only]
2a3/2
= 43/2 = 8
a3/2
= 4
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