If 7 and r are the roots of the equation p x^ 2 +q x+r=0 , then

Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations

1. \(p^{2}+q^{2}-2 p r=0\)
2. \(p^{2}-q^{2}+2 p r=0\)
3. \(p^{2}-q^{2}-2 p r=0\)
4. \(p^{2}+q^{2}+2 q r=0\)

Answer

(C) p^ 2 -q^ 2 -2 p r=0

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