755 prompts matching "The determinant of a 3 by 3 matrix with two equal rows"
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Deciding whether a geometric series converges
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Geometric mean between two numbers
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Multi-part progression problem with an unknown first term
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Finding an endpoint given the midpoint
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Length of a line segment on a graph
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Coordinate geometry combined with simultaneous equations
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Expanding and simplifying with negative brackets
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Factorising by grouping four terms
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Simplifying an algebraic fraction by factorising first
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Subtracting two algebraic fractions
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Multiplying two algebraic fractions
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Solving a double inequality
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Solving simultaneous linear equations by substitution
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Solving simultaneous linear equations by elimination
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Simplifying expressions with like and unlike terms
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Explaining the difference between an expression and an equation
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Common mistakes with composite and inverse functions
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Show All Working: Classifying a mixed list of numbers as rational or irrational
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Learn: Why a surd is never left in the denominator
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Show All Working: Checking a rationalised answer by decimal approximation
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