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Let a_(0)x^(n)+a_(1)x^(n-1)+…+a_(n-1)x+a_(n)=0 be the degree equation with a_(0),a_(1),…a_(n) integers. If p/q is a rational root of theis equation, then p is a divisor of a_(n) and q is a divisor of a_(0). If a_(0)=1, then every rational root of thsi equation must be an integer. At least one integral root of the equation x^(3)-13x^(2)+15x+189=0 exceeds another root by |
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Answer» 1 |
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