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If the roots of the equation x^2+2c x+a ...

If the roots of the equation `x^2+2c x+a b=0` are real and unequal, then the roots of the equation `x^2-2(a+b)x+(a^2+b^2+2c^2)=0` are: (a) real and unequal (b) real and equal (c) imaginary (d) rational

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