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JEE Main Mathematics question

MathematicsQuadratic Equations and InequalitiesJEE Main

The quadratic equations and have one root in common. The other roots of the first and second equations are integers in the ratio . Then the common root is

Answer: (A)

Solution

Let the common root be , the other roots (first) and (second): and . Substituting :

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Question ID VK-013544