Question
Water is dropped at the rate of 2cm/sec into a cone of semivertical angle 45. The rate at which periphery of water surface changes when
Water is dropped at the rate of 2cm³/sec into a cone of semivertical angle 45°. The rate at which periphery of water surface changes when height of the water in the cone is 2 cm, is :-1 cm/sec2 cm/sec3 cm/sec4 cm/sec
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Calculus One And Several Variables
Authors: Saturnino L Salas, Garret J Etgen, Einar Hille
10th Edition
0470472766, 9780470472767
