755 prompts matching "The foci of an ellipse"
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Distinguishing rational and irrational numbers
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Dividing surds using the quotient rule
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Rationalising the denominator when it's a surd minus a surd
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Working with cube roots as a type of surd
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Reading and writing set notation
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Listing elements of a set from a description
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Complement of a set within a universal set
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Subsets of a given set
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Finite and infinite sets
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Empty set and its notation
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Interpreting neither-nor in a Venn diagram problem
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Power set of a three-element set
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Reviewing set theory before a class test
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Finding the common difference from given terms
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Finding the common ratio from given terms
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Deciding whether a geometric series converges
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Arithmetic mean between two numbers
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Geometric mean between two numbers
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Deriving the arithmetic series sum formula
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Deriving the geometric series sum formula
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