Find the discriminant of the quadratic equation 4x² – 5 = 0 and hence comment on the nature of roots of the equation.

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TextRoots of a Quadratic EquationNature of Roots Based on DiscriminantCBSE PYQ

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A garden designer is planning a rectangular lawn that is to be surrounded by a uniform walkway. The total area of the lawn and the walkway is 360 square metres. The width of the walkway is same on all sides. The dimensions of the lawn itself are 12 metres by 10 metres. Based on the information given above, answer the following questions :

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