The area A of a circle is increasing at a constant rate of 1.5 cm\(^2s^{-1}\). Find, to 3 significant figures, the rate at which the radius r of the circle is increasing when the area of the circle is 2 cm\(^2\).
a
0.200 cms\(^{-1}\)
b
0.798 cms\(^{-1}\)
c
0.300 cms\(^{-1}\)
d
0.299 cms\(^{-1}\)
Explanation
Correct Option
dVideo Explanation
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Clash123
2 years ago
How do jamb expect us to find the square root for this questions when their calculator doesnt have square root in it?????
