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Question

Represent the given situation in the form of a quadratic equation: The length of a rectangular park (in metres) is one more than twice its breadth and its area is 528m2.

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Solution

Let the breadth of rectangular park be x.

It is given that the length of the park is one more than twice its breadth, therefore, the length of the rectangular park is (2x+1).

Since the area of rectangle with length l and breadth b is (l×b) and here the area is 528 m2, therefore,

528=(2x+1)x(2x+1)x=5282x2+x=5282x2+x528=0

We know that the general form of quadratic equation is ax2+bx+c=0 and the equation 2x2+x528=0 is of the form ax2+bx+c=0.

Hence, the equation 2x2+x528=0 is a quadratic equation representation of the given statement.

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