1.

The number of all possible positive integral values of a for which the roots of the quadratic equation, 6x2 –11x + a = 0 are rational numbers is : (1) 5 (2) 3 (3) 2 (4) 4

Answer»

The correct option (2) 3   

Explanation:

D = 121 – 24α, be positive and perfect square. Three values of a : {3, 4, 5}



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