1,036 prompts matching "IGCSE Additional Maths Y10: A surd answer arising from Pythagoras' theorem — Pra"
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Explain Back: Finding a coefficient so that a stated expression is a factor
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Common Mistakes: Using the factor theorem before dividing
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Final Revision: A factor theorem question set in the WAEC style
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Worked Example: Factorising a cubic into a linear and a quadratic factor
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Explain Back: A polynomial with a repeated linear factor
I have just studied a polynomial with a repeated linear factor in my SS2 Further Mathemati
Common Mistakes: Factorising fully, and knowing when to stop
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Final Revision: Checking a factorisation by expanding it again
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Worked Example: How many roots a cubic equation has
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Explain Back: A cubic with a repeated root
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Final Revision: Checking a root of a cubic by substitution
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Worked Example: Sentences that are not propositions
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Explain Back: The disjunction of two propositions
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Common Mistakes: Translating a symbolic statement back into English
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Worked Example: Conjunction in a three-variable truth table
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Explain Back: The truth table for a statement with two connectives
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Common Mistakes: Comparing two statements by their truth tables
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Final Revision: The exclusive sense of or, and its truth table
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Worked Example: The truth table for the conditional
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Explain Back: The inverse of a conditional
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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