535 prompts matching "Explaining why we rationalise denominators"
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Worked Example: Testing a list of candidates to find a factor
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Quiz: Which values are worth testing as factors
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Spot My Mistake: The factor theorem applied to a quartic
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WAEC Prep: The factor theorem for a factor of the form ax plus b
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Show All Working: What the factor theorem says about the roots
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Learn: Factorising a cubic into three linear factors
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Worked Example: Factorising a cubic into a linear and a quadratic factor
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Quiz: Factorising a polynomial by grouping terms
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Spot My Mistake: Factorising the sum of two cubes
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WAEC Prep: Factorising the difference of two cubes
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Show All Working: Factorising a polynomial with fractional roots
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Learn: Solving a cubic once it has been factorised
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Worked Example: How many roots a cubic equation has
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Quiz: A cubic with three distinct real roots
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Spot My Mistake: Finding the remaining roots once one is known
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Show All Working: Solving a cubic that must first be rearranged
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Learn: What makes a sentence a proposition
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Worked Example: Sentences that are not propositions
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Quiz: The truth value of a simple proposition
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Spot My Mistake: The negation of a proposition
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