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GUJCET · Maths · Application of Derivatives
The rate of change of area of sphere with respect to radius is, when radius is 6 cm is __________.
- A \(12 \pi\)
- B \(24 \pi\)
- C \(48 \pi\)
- D \(144 \pi\)
Answer & Solution
Correct Answer
(C) \(48 \pi\)
Step-by-step Solution
Detailed explanation
Area of sphere : \(A = 4 \pi r^2\) \(\frac{dA}{dr} = 8 \pi r\)
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