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What is the nature of the roots of the equation \(4x^2-12x+11=0\)?

Answer and explanation

Correct answer: No real roots

For a quadratic equation \(ax^2+bx+c=0\), the discriminant is \(D=b^2-4ac\). Here, \(D=(-12)^2-4(4)(11)=144-176=-32\). Since \(D<0\), the equation has no real roots. Option A is incorrect because a negative discriminant does not produce real irrational roots; it produces non-real complex roots. Exam tip: remember that \(D<0\) means no real roots.

Related tags

Quadratic EquationsNature Of RootsDiscriminantNo Real RootsClass 10 MathematicsMathematicsClass 10 Mcq

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