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ISI2015-MMA-82

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The volume of the solid, generated by revolving about the horizontal line $y=2$ the region bounded by $y^2 \leq 2x$, $x \leq 8$ and $y \geq 2$, is

  1. $2 \sqrt{2\pi}$
  2. $28 \pi/3$
  3. $84 \pi$
  4. none of the above
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