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Question
Find the area of the region bounded by the following curves, X-axis and the given lines: x = 2y, y = 0, y = 4
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Solution
Required area = `int_0^4 x*dy, "where" x = 2y`
= `int_0^4 2y*dy`
= `[(2y^2)/2]_0^4`
= 16 – 0
= 16 sq units.
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