1.

A rod of 10 feet long moves with its ends A and B always on the axes of x and y respectively. If A is 8 ft from the origin and is moving away at the rate of 2ft per second, find at what rate (a) the end B is moving (b) the area formed by AB and the axes is changing.

Answer»


ANSWER :(a) -8/3 ft/sec. (B) -14/3ft/sec


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