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The quadratic equations x^2"-"6x""+""...

The quadratic equations `x^2"-"6x""+""a""=""0""a n d""x^2"-"c x""+""6""=""0` have one root in common. The other roots of the first and second equations are integers in the ratio 4 : 3. Then the common root is (1) 1 (2) 4 (3) 3 (4) 2

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