The length x of a rectangle is decreasing atthe rate of 5 cm/min and t – InterviewSolution

1.	The length x of a rectangle is decreasing atthe rate of 5 cm/min and the width y isincreasing at the rate of 4 cm/min. Whenx = 8 cm and y = 6 cm, find the rate of changeof(i) the perimeter.(ii) area of rectangle.
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