Applications of Integrations Q4 [March Holiday Revision Set]

Applications of Integrations Q4 [March Holiday Revision Set]

The region \(R\) is bounded by the curve \(y=\frac{1}{{{\left( x-2 \right)}^{2}}}\), the line \(y=1\) and the line \(y=3\).

Find the volume generated when region \(R\) is rotated through \(2\pi \) about the

  1. \(x-\)axis,
  2. \(y-\)axis.

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Answer:(a) \(\dfrac{8\pi}{3}(3\sqrt3-1)\text{ units}^3\approx35.2\text{ units}^3\) (b) \(16\pi(\sqrt3-1)\text{ units}^3\approx36.8\text{ units}^3\)

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