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The rate of change of the area of a circle with respect to its radius r when r
Mathematics
Application of Derivatives
Question
Updated
19 Aug 2026
The rate of change of the area of a circle with respect to its radius r when r = 5 is:
A
Choose Your Answer
A
10 \(\pi\)
B
12 \(\pi\)
C
8 \(\pi\)
D
11 \(\pi\)
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