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Quadratic Equation and Inequalities question

2020 · 6 Sep · Shift 2 · Q32
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  5. /2020 · 6 Sep · Shift 2 · Q32

Quadratic Equation and Inequalities question

2020 · 6 Sep · Shift 2 · Q32

JEE MainMathematicsQuadratic Equation and InequalitiesMCQ+4 / −1
If α\alphaα and β\betaβ are the roots of the equation 2x(2x + 1) = 1, then β\betaβ is equal to :
  1. A
    −2α(α+1)- 2\alpha \left( {\alpha + 1} \right)−2α(α+1)
  2. B
    2α(α+1)2\alpha \left( {\alpha + 1} \right)2α(α+1)
  3. C
    2α22{\alpha ^2}2α2
  4. D
    2α(α−1)2\alpha \left( {\alpha - 1} \right)2α(α−1)
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