If the volume of a hemisphere is increasing at ... - JAMB Mathematics 2000 Question
If the volume of a hemisphere is increasing at a steady rate of 18π m/s, at what rate is its radius changing when its is 6m?
A
2.30m/s
B
2.00 m/s
C
0.25 m/s
D
0.20 m/s
correct option: c
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