OCR C3 2007 January — Question 6

Exam BoardOCR
ModuleC3 (Core Mathematics 3)
Year2007
SessionJanuary
TopicVolumes of Revolution

6
\includegraphics[max width=\textwidth, alt={}, center]{1216a06e-7e14-48d7-a7ca-7acd8d71af5f-3_483_956_264_593} The diagram shows the curve with equation \(y = \frac { 1 } { \sqrt { 3 x + 2 } }\). The shaded region is bounded by the curve and the lines \(x = 0 , x = 2\) and \(y = 0\).
  1. Find the exact area of the shaded region.
  2. The shaded region is rotated completely about the \(x\)-axis. Find the exact volume of the solid formed, simplifying your answer.