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Quadratic Equations

Question 3:

Is it possible to design a rectangular mango grove whose length is twice its breadth, and the area is 800 m2?

If so, find its length and breadth.

Answer:

Let the breadth of mango grove be l.

Length of mango grove will be 2l.

Area of mango grove = (2l) (l)

= 2l2

Comparing this equation with al2 + bl + c = 0, we …

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