1,045 prompts matching "The alternative sum formula that uses the last term"
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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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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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Explain Back: A polynomial with a repeated linear factor
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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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Practice: A cubic with one real root and two complex ones
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Explain Back: A cubic with a repeated root
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Learn: What makes a sentence a proposition
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Learn: How many rows a truth table needs
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Worked Example: Conjunction in a three-variable truth table
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Practice: Negation combined with a compound statement
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Spot My Mistake: Building a truth table column by column
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Quiz: Why a conditional with a false antecedent counts as true
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Practice: What logical equivalence means
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Explain Back: Showing two statements equivalent by truth table
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Spot My Mistake: De Morgan's laws in logic
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Learn: What a tautology is
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