4 mm/s when these three sides are 5cm, 4 cm sides x, y and z increase at 6 mm/s, 5 mm/s and Fig. 35.1, correct to 2 significant figures, if the diagonal AC of the rectangular solid, shouo Fig. 35.1, correct to 2 significant figures, if Determine the rate of increase and 3 cm respectively. B z=3 cm X=5 cm

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