Worked Example 3

Worked Example 3

TGM Original Questions
Free

Region \(A\) is bounded by \(y=\sqrt{x}\), \(y\)-axis and \(y=2-{{x}^{2}}\).

Region \(B\) is bounded by \(y=\sqrt{x}\), \(x\)-axis and \(y=2-{{x}^{2}}\).

Find

  1. volume of \(A\) rotated through \(2\pi \) about the \(y\)-axis;
  2. volume of \(B\) rotated through \(2\pi \) about the \(x\)-axis;
  3. volume of \(B\) about through \(2\pi \) about the \(y\)-axis.

Video Solution:

Default solution

Timothy Gan
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Answer:(i) \(2.20\) units³, (ii) \(2.04\) units³, (iii) \(4.08\) units³

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