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College Math: Nature of roots of quadratic equation App's MCQ Download & e-Book - 65
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MCQ: 65
If the roots of p² + qx + 1 = 0 are equal, then
- q² - 4p = 0
- q² + 4p = 0
- p² - 4p = 0
- p² + 4q = 0
a
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