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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The volume of the solid generated by revolving the region between the y-axis and the curve
$x=2\sqrt{y}, \ 0\le y\le4$
about the y-axis is
Solution
Using washer method: $V=\pi\int_0^4 (2\sqrt{y})^2 dy$ $=\pi\int_0^4 4y,dy$ $=4\pi\left[\frac{y^2}{2}\right]_0^4$ $=4\pi \times 8$ $=32\pi$Online Test Series, Information About Examination,
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