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Quadratic Equation and Inequalities question

2025 · 2 Apr · Shift 2 · Q47
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Quadratic Equation and Inequalities question

2025 · 2 Apr · Shift 2 · Q47

JEE MainMathematicsQuadratic Equation and InequalitiesNumerical+4 / −1
If the set of all a∈R−{1}\mathrm{a} \in \mathbf{R}-\{1\}a∈R−{1}, for which the roots of the equation (1−a)x2+2(a−3)x+9=0(1-\mathrm{a}) x^2+2(\mathrm{a}-3) x+9=0(1−a)x2+2(a−3)x+9=0 are positive is (−∞,−α]∪[β,γ)(-\infty,-\alpha] \cup[\beta, \gamma)(−∞,−α]∪[β,γ), then 2α+β+γ2 \alpha+\beta+\gamma2α+β+γ is equal to \qquad .
Numerical answer
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