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Mathematics, 03.06.2021 05:20 kiwipup16

Oil from a leaking container radiates outwards in the form of a circular film on the water surfaces. If the area of the circle increases at rate of 900m²/s, how fast is the radius of the circle
increasing when the area is 1400 z m??
[6 marks)
[Ans:3.83m/s]

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