755 prompts matching "Finding the adjoint of a 3 by 3 matrix"
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Cross-multiplying to solve an equation with fractions
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Common mistakes with composite and inverse functions
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Learn: Telling a rational number from an irrational one
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Final Revision: Approximating a surd to three decimal places
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Learn: What makes two surds similar
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Final Revision: Surds that cannot be combined at all
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Learn: Simplifying root 72 into its simplest form
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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Learn: Solving an equation with a single square root term
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Common Mistakes: A surd equation that has no real solution
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Final Revision: A word problem that leads to an equation in surd form
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Learn: What a binary operation actually is
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Learn: What closure means for a binary operation
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Learn: What it means for an operation to be commutative
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Final Revision: Why brackets matter when an operation is not associative
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Learn: What an identity element is
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: Reading a logarithm from a table
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