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

If the roots of the equation , `x^2+2c x+ab=0` are real and unequal, then the roots of the equation, `x^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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