If unity is double repeated root of p x^ 3 +q (x^ 2 +x )+r=0 , then
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
If unity is double repeated root of \(p x^{3}+q\left(x^{2}+x\right)+r=0\), then
- \(p \cdot r<0\)
- \(p \cdot q<0\)
- \(p \cdot q \cdot r>0\)
- None of these
Answer
(D) None of these
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