1,044 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Quiz: The leading term and the constant term
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Spot My Mistake: A polynomial written in descending powers
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Quiz: The remainder on dividing by x plus 2
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Spot My Mistake: Finding two coefficients from two remainder conditions
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Spot My Mistake: The factor theorem applied to a quartic
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Spot My Mistake: Factorising the sum of two cubes
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Common Mistakes: Factorising fully, and knowing when to stop
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Quiz: A cubic with three distinct real roots
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Spot My Mistake: Finding the remaining roots once one is known
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Quiz: Disjunction and the inclusive or
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Quiz: Why a conditional with a false antecedent counts as true
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Spot My Mistake: The law of the excluded middle
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Quiz: Arrangements of a word with no repeated letters
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Spot My Mistake: Arrangements with two particular items adjacent
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Common Mistakes: Arranging objects when some must stay in a fixed order
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Spot My Mistake: Arrangements round a table with men and women alternating
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Quiz: Selecting from two groups at the same time
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Spot My Mistake: A selection with at least a stated number of one kind
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Quiz: Expanding a bracket to the power four using Pascal's triangle
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Quiz: Finding the term in x cubed
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