Find no. of all pairs $(a, b) $ of real numbers such that when ever $\alpha$ is a root of $x^2 + ax+b = 0, \alpha^2 -2$ is also a root of the equation.
Reveal answer
Fill a bubble to check yourself
Find no. of all pairs $(a, b) $ of real numbers such that when ever $\alpha$ is a root of $x^2 + ax+b = 0, \alpha^2 -2$ is also a root of the equation.