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Quadratic Equation and Inequalities question

2019 · 12 Apr · Shift 2 · Q27
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Quadratic Equation and Inequalities question

2019 · 12 Apr · Shift 2 · Q27

JEE MainMathematicsQuadratic Equation and InequalitiesMCQ+4 / −1
If α\alphaα, β\betaβ and γ\gammaγ are three consecutive terms of a non-constant G.P. such that the equations α\alphaα x 2 + 2 β\betaβ x + γ\gammaγ= 0 and x2 + x – 1 = 0 have a common root, then α\alphaα(β\betaβ+γ\gammaγ) is equal to :
  1. A
    αγ\alpha \gammaαγ
  2. B
    0
  3. C
    βγ\beta \gammaβγ
  4. D
    αβ\alpha \betaαβ
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