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07-01-2023
Mathematics

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The length x of a rectangle is decreasing at the rate of 5 cm/min and the width y is increasing at the rate of 4 cm/min. When x = 8 cm and y = 6 cm, find the rate of change of

(i) the perimeter.

(ii) area of rectangle.

The length x of a rectangle is decreasing at the rate of 5 cmmin and the width y is increasing at the rate of 4 cmmin When x 8 cm and y 6 cm find the rate of ch class=

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