1,318 prompts matching "Rationalising a denominator of the form root a over root b"
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WAEC Prep: Differentiating the square root of a function
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Quiz: Why the power rule fails for the integral of one over x
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WAEC Prep: The starting velocity recovered as a constant of integration
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Worked Example: The intersection of two overlapping sets
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WAEC Prep: The change of base formula for logarithms
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Learn: The sum and the product of the roots read from the coefficients
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Explain Back: The range of values of k for which the roots are real
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WAEC Prep: Forming an equation whose roots are each two more than the original
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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Learn: The sum of the roots of a cubic read from its coefficients
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Quiz: The product of the roots of a cubic
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Practice: Finding the third root of a cubic when two are known
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Quiz: The compound angle formula for sine of A plus B
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Practice: The compound angle formula for cosine of A minus B
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Explain Back: The compound angle formula for tan of A plus B
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WAEC Prep: The three forms of the double angle formula for cosine
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Common Mistakes: Expressing a cos x plus b sin x in the form R cos of x minus alpha
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Practice: Solving an equation of the form sin of 2x equals a given value
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