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Mathematics 12 Online
OpenStudy (asylum15):

Differential Question:

OpenStudy (asylum15):

A rectangular box has sides of length x, y, z cm. Sides x and z are expanding at the rates of 3mms^-1 and 5mms^-1 respectively. Side y is contracting at the rate of 2mms^-1. Determine the rate of change of volume of the box when x = 4cm, y = 1.75cm and z = 8cm.

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