Class 12 Applications Of Derivatives · Mcq Single Correct1 Marksrelated_rates
Class 12 Maths · Applications Of Derivatives · Mcq Single Correct #83
Find dV/dr for a sphere when r=1/2 unit.
✅ Step-by-Step Solution
Final Answer: Option (A): π square units
- V=4πr³/3 gives dV/dr=4πr²=π at r=1/2.
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