1,045 prompts matching "Learn: The sum of the roots of a cubic read from its coefficients"
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Common Mistakes: Deciding between tautology, contradiction and contingency
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Final Revision: A longer statement tested for tautology
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Quiz: Modus ponens
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Practice: Modus tollens
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Final Revision: An argument written in words and tested for validity
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Common Mistakes: Arranging objects when some must stay in a fixed order
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Quiz: Why one person is fixed in a circular arrangement
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Common Mistakes: Comparing a line arrangement with a circular one
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Final Revision: A word problem about seating at a round table
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Practice: A selection that must include one particular member
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Final Revision: A word problem about choosing a delegation
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Common Mistakes: A probability found by counting arrangements
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Final Revision: A word problem about a lottery draw
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Final Revision: A question asking for two coefficients to be equal
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IGCSE Additional Maths Y11: A real problem about a fan or a windscreen wiper — Exam Technique
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IGCSE Additional Maths Y11: Finding every angle in a range with a given sine — Common Mistakes
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IGCSE Additional Maths Y11: Proving an identity by turning everything into sine and cosine — Practice Set
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IGCSE Additional Maths Y11: A trigonometric equation set in a modelling context — Exam Technique
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IGCSE Additional Maths Y11: Solving an equation that contains sec x — Show All Working
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IGCSE Additional Maths Y11: When cot x is nought, and when it is undefined — Exam Technique
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