If a and b are the roots of the equation 2x(2x + 1) = 1, then b is equal to:

Question:

If $\alpha$ and $\beta$ are the roots of the equation $2 x(2 x+1)=1$, then $\beta$ is equal to:

  1. $2 \alpha(\alpha+1)$

  2. $-2 \alpha(\alpha+1)$

  3. $2 \alpha(\alpha-1)$

  4. $2 \alpha^{2}$

Correct Option: 2

JEE Main Previous Year 1 Question of JEE Main from Mathematics Complex Numbers and Quadratic Equations chapter.
JEE Main Previous Year Sep. 06, 2020 (II)

Solution:

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