If a, - a, b are the roots of x^ 3 -5 x^ 2 -x+5=0 , then b is a root of

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

1. \(x^{2}+3 x-20=0\)
2. \(x^{2}-5 x+10=0\)
3. \(x^{2}-3 x-10=0\)
4. \(x^{2}+5 x-30=0\)

Answer

(C) x^ 2 -3 x-10=0

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