1,019 prompts matching "A set closed under one operation but not another"
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Final Revision: Counting the number plates or codes that can be formed under a rule
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Common Mistakes: Selections in which at least one of a kind must appear
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Worked Example: The identities for one plus tan squared and one plus cot squared
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Worked Example: The interquartile range of a set of ordered data
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Spot My Mistake: The standard deviation of an ungrouped set of data
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Common Mistakes: The work done against friction on an incline
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Quiz: The extension of a spring under a given load
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WAEC Prep: Two elastic strings supporting one particle
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Show All Working: The work done in stretching an elastic string
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Spot my mistake: Treating the variance of a binomial distribution as its standard deviation
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Function notation applied to a real-world formula
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Give me a full Additional Maths style Paper 1 question set
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Structured question: permutation versus combination in one paper
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Give me an exam formula sheet for polynomial operations
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Spot my mistake: solving an exponential equation
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Structured question: sum of a series expressed using sigma notation
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Quiz: Multiplying a matrix by minus one
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WAEC Prep: Setting out the coefficient determinant for two simultaneous equations
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WAEC Prep: Setting out Cramer's rule for three simultaneous equations
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