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the length l of a rectangle is decreasing at a rate of 2cm/sec while the width w is increasing at the rate of 2cm/sec when l=12cm and w=5cm find the rate of change of (a) the area, (b)the perimeter and (c) the lengths of the diagonals of the rectangle which of these quantities are decreasing and which are increasing?? |
| Answer» the length l of a rectangle is decreasing at a rate of 2cm/sec while the width w is increasing at the rate of 2cm/sec when l=12cm and w=5cm find the rate of change of (a) the area, (b)the perimeter and (c) the lengths of the diagonals of the rectangle which of these quantities are decreasing and which are increasing?? | |