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If A, G and H are the arithmetic mean, g...

If A, G and H are the arithmetic mean, geometric mean and harmonic mean between unequal positive integers. Then, the equation `Ax^2 -IGlx- H=0` has (a) both roots are fractions (b) atleast one root which is negatuve fraction (c) exactly one positive root (d) atleast one root which is an integer

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