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What is the nature of the roots of the equation \\(6x^2-13x+6=0\\)?

Answer and explanation

Correct answer: Two real, rational and distinct roots \\(D=25\\)

For a quadratic equation, the discriminant is \\(D=b^2-4ac\\). Here, \\(a=6, b=-13, c=6\\), so \\(D=(-13)^2-4(6)(6)=169-144=25\\). Since \\(D>0\\) and 25 is a perfect square, the roots are real, rational, and distinct. In fact, the roots are \\(2/3\\) and \\(3/2\\). Option B would require \\(D=0\\). Exam tip: a positive perfect-square discriminant indicates distinct rational roots.

Related tags

Quadratic-EquationsDiscriminantNature-Of-RootsRational-RootsNature Of RootsQuadratic EquationsMathematicsClass 10 Mcq

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