1.

The number of pairs (a,b) of real numbers, such that whenever α is a root of the equation x2+ax+b=0, α2−2 is also a root of this equation, is

Answer»

The number of pairs (a,b) of real numbers, such that whenever α is a root of the equation x2+ax+b=0, α22 is also a root of this equation, is



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