Mathematics (AS & A Level) · Oct / Nov 2025 · Paper 15 · Question 8
9709
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a O 2a x y The diagram shows the curve with equation y x 6 5 = + . The shaded region is bounded by the curve, the x-axis and the lines x a = and x a 2 = , where a is a positive constant. The shaded region is rotated through 360° about the x-axis to form a solid. The solid has volume, V, such that r V 46 H .
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8(a)[4]
8(b)[3]
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