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NDA 2019 Mathematics question

MathematicsQuadratic Equations and InequalitiesNDA 2019

Consider the following statements in respect of the quadratic equation , where p, q and r are real numbers : 1. The roots are real 2. The roots are equal if and Which of the above statements is/are correct?

Answer: (C)

Solution

The equation is with discriminant , so the roots are

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Question ID VK-029089