Ind the rate of change of the volume of a sphere with respect to the radius .
dV/dr=
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Step-by-step explanation:
Volume of sphere = 4/3 × π × r³
dV/dr = d/dr (4/3 × π × r³)
= 4/3 × π × d/dr(r³)
= 4/3 × π × 3r²
= 4 × π × r²
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