706 prompts matching "A tautology used to justify a rule of algebra"
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Finding the equation of a median of a triangle
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Expanding a product of two brackets
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Expanding a product of three brackets
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Subtracting two algebraic fractions
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Multiplying two algebraic fractions
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Simplifying a complex algebraic fraction
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Changing the subject of a simple formula
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Forming an algebraic expression from a word problem
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Multi-part algebraic manipulation exam question
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Cross-multiplying to solve an equation with fractions
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WAEC-style past question on algebraic fractions
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Common sign errors in algebraic manipulation
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Show All Working: Deciding whether two given surds are equal without a calculator
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Learn: Simplifying root 72 into its simplest form
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Worked Example: Adding two surds that simplify to the same root
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Common Mistakes: Expanding the product of two surd brackets
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Learn: Why a surd is never left in the denominator
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