Let a, b, c be the lengths of sides BC, CA, AB respectively of a triangle ABC. If p is the perimeter and q is the area of the triangle, then what is p(p-2a) ( A 2 ) equal to?

NDA 2022 Mathematics question

Let , , be the lengths of sides , , respectively of a triangle . If is the perimeter and is the area of the triangle, then what is equal to?

Answer: (D)

With semi-perimeter : and , so . Also $ A2 =

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Question ID VK-029377