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Class 10 Mathematics Quadratic Equations Methods of Solving Quadratic EquationsExpert

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If (x^2-24x+m=0) has real and equal roots, what is the value of (m)?

Answer and explanation

Correct answer: (m=144)

For real and equal roots, (D=0), so (576-4m=0) gives (m=144). In exams, equal roots indicate (D=0).

Related tags

Quadratic Discriminant Equal-Roots Methods Of Solving Quadratic Equations Quadratic Equations Mathematics Class 10 Mcq

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