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JAMB UTME

A bowl is designed by revolving completely the area enclosed by y = x2 - 1, y = 0, y = 3 and x ≥ 0 around the y-axis. What is the volume of this bowl?

A.
7π cubic units
B.
15/2π cubic units
C.
8π cubic units
D.
3π cubic units

Answer: D

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