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Class 9MathematicsExploring Algebraic IdentitiesQuadratic expressionsMedium
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If (x^2+px+36) is a perfect square and (p) is positive, what is the value of (p)?

Answer and explanation

Correct answer: (12)

Since (36=6^2), the middle term will be (2\cdot6\cdot x=12x). Exam tip: double the square root of the constant term.

Related tags

Quadratic ExpressionsPerfect SquareMissing CoefficientExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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