If (x^2-20x+m=0) has real and equal roots, what is the value of (m)?

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Correct answer: (m=100)

For real and equal roots, (D=0), so (400-4m=0) gives (m=100). In exams, equal roots indicate (D=0).

What is the correct answer to this question?

(m=100)

Why is this the correct answer?

For real and equal roots, (D=0), so (400-4m=0) gives (m=100). In exams, equal roots indicate (D=0).

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.

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