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Class 10MathematicsQuadratic EquationsNature of RootsEasy
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For (x^2+4x+p=0) to have no real roots, which condition is correct?

Answer and explanation

Correct answer: (p>4)

For no real roots (D<0), so (16-4p<0) gives (p>4). A negative discriminant gives no real roots.

Related tags

Quadratic EquationsParameterNo Real RootsInequalityNature Of RootsMathematicsClass 10 Mcq
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