Mathematics (AS & A Level) · Feb / March 2020 · Paper 12 · Question 3
9709
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x y O 1 5 y = x2 + 1 The diagram shows part of the curve with equation y = x2 + 1. The shaded region enclosed by the curve, the y-axis and the line y = 5 is rotated through 360Å about the y-axis. Find the volume obtained. [4]
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