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The length of a rectangle is decrea...

The length of a rectangle is decreasing at the rate of 2 cm/sec and the width is increasing at the rate of 2 cm/sec. When and , find the rate of change of (i) the perimeter (ii) the area of the rectangle.

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The correct Answer is:
`(i) -2cm//min " "(ii) 2 cm^(2)//min`
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