1,166 prompts matching "differentiate y = (2x-1)(x+3) after expanding it first"
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Learn: Simplifying a surd by extracting the largest perfect square
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Quiz: Multiplying two surds and simplifying the result
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Practice: Rationalising a denominator of the form root a
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
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Spot My Mistake: Squaring a bracket that contains a surd
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Final Revision: Proving that root 2 is irrational
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Learn: The multiplication and division laws of indices used together
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Learn: The sum and the product of the roots read from the coefficients
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Quiz: Forming a quadratic equation whose roots are given
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Explain Back: The range of values of k for which the roots are real
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Spot My Mistake: Forming a new equation whose roots are the reciprocals of the original
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WAEC Prep: Forming an equation whose roots are each two more than the original
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Learn: Finding alpha squared plus beta squared from the sum and product
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Quiz: Finding alpha cubed plus beta cubed
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Practice: Finding alpha minus beta from the sum and the product
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Explain Back: Finding alpha squared beta plus alpha beta squared
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Final Revision: Checking a symmetric-function answer by solving the equation outright
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