The equations x 3 + 5x 2 + px + q = 0 and x 3 + 7x 2 + px + r = 0 have two roots in…
Mathematics · JEE Advanced · NTA Exams — Complex Numbers and Quadratic Equations
The equations x3 + 5x2 + px + q = 0 and
x3 + 7x2 + px + r = 0 have two roots in common. If the third root of each equation is represented by x1 and x2 respectively, then x1 + x2 is
x3 + 7x2 + px + r = 0 have two roots in common. If the third root of each equation is represented by x1 and x2 respectively, then x1 + x2 is
- \(-12\)
- \(-2\)
- \(12\)
- \(2\)
Answer
(A) -12
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