1,018 prompts matching "A pair with equal roots, meaning one solution only"
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WAEC Prep: The statement of de Moivre's theorem
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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WAEC Prep: Solving a quadratic whose discriminant is negative
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WAEC Prep: Differentiating a constant from first principles
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WAEC Prep: Why the limit is taken as h tends to nought
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WAEC Prep: The definition of the derivative as a limit
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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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WAEC Prep: Differentiating a polynomial term by term
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Explain Back: Differentiating tan x
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WAEC Prep: The product rule applied to three factors
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WAEC Prep: Simplifying the answer after using the quotient rule
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WAEC Prep: The product rule for differentiation
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Worked Example: The quotient rule for differentiation
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WAEC Prep: The chain rule for a function of a function
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Worked Example: Differentiating a bracket raised to a power
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WAEC Prep: A stationary point at which the second derivative is nought
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WAEC Prep: The greatest and least values of a function in a closed interval
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WAEC Prep: Finding the stationary points of a curve
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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WAEC Prep: The indefinite integral, and its notation
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