1,044 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Common Mistakes: Translating a symbolic statement back into English
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Learn: How many rows a truth table needs
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Explain Back: Showing two statements equivalent by truth table
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Learn: What a tautology is
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Explain Back: Showing that a statement is a contradiction
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WAEC Prep: A tautology used to justify a rule of algebra
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Common Mistakes: Deciding between tautology, contradiction and contingency
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Final Revision: A longer statement tested for tautology
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Learn: What makes an argument valid
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Learn: Arranging five different books on a shelf
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Learn: What makes a permutation cyclic
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Final Revision: A word problem about seating at a round table
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Learn: Selecting a team of five from a squad
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Explain Back: A selection that must exclude one particular member
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Final Revision: A word problem about choosing a delegation
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Final Revision: A word problem about a lottery draw
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Learn: Building Pascal's triangle row by row
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Final Revision: A question asking for two coefficients to be equal
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Factorise x^2 + 5x + 6
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Factorise x^2 - 7x + 12
Act as my SS2 Further Maths tutor. Walk me through factorising the quadratic trinomial x^2