1. A cylindrical tube expands as its radius r and height hincrease at the rate of 2 in/min and 4 in/min, respectively. If theheight is always the twice the radius, find how fast the volume thetube is increasing when its radius is 10 in.
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1. A cylindrical tube expands as its radius r and height h increase at the rate of 2 in/min and 4 in/min, respectively.
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