November 2019 1 121 Report
The curve C has equation y=f(x)=xe^{-x^{2}}
(iv) Find the exact value of \int\limits^2_{-2} |{f(x)}| \, dx
(v) Find the volume of revolution when the region bounded by the curve, the lines x=0,\;x=1 and the x-axis is rotated completely about the x-axis. Give your answer correct to 3 significant figures
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