755 prompts matching "Give me practice on permutations and combinations"
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Spot My Mistake: Dividing one surd by another
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Show All Working: Simplifying a surd expression that contains brackets
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Quiz: Rationalising a denominator of the form one over root 3
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Show All Working: Checking a rationalised answer by decimal approximation
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Learn: The conjugate of a compound surd expression
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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Spot My Mistake: Simplifying the denominator once the conjugate has been used
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Learn: Solving an equation with a single square root term
You are my personal SS1 Further Mathematics tutor. Teach me solving an equation with a sin
Quiz: Checking a surd equation for extraneous roots
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Common Mistakes: A surd equation that has no real solution
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Learn: What a binary operation actually is
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Show All Working: Evaluating a repeated operation such as a*(b*c)
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Common Mistakes: A binary operation that is ordinary addition in disguise
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Quiz: Testing the odd numbers for closure under addition
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Spot My Mistake: Reading closure off an operation table
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Worked Example: Testing a*b against b*a for a given rule
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Show All Working: An operation that is associative but not commutative
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