Class 12 Applications Of Derivatives · Conceptual Answer1 Marksrelated_rates
Class 12 Maths · Applications Of Derivatives · Conceptual Answer #35
A circle radius increases at 0.5 cm/s. Find the rate of increase of its circumference.
✅ Step-by-Step Solution
Final Answer: π cm/s
- C=2πr implies Ċ=2πṙ=2π·0.5=π.
- π cm/s
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] C=2πr implies Ċ=2πṙ=2π·0.5=π.
- [0.5 marks] π cm/s
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