Question: The area bounded by the curve y = 15kx 15x and the x-axis is rotated through 360 about the x-axis, where k is an

The area bounded by the curve y = 15kx − 15x² and the x-axis is rotated through 360° about the x-axis, where k is an integer. The volume of the solid formed is 240π. Find the value of k.

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