992 prompts matching "Explaining why sum to infinity only works for |r| < 1"
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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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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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Final Revision: A conditional statement set in an everyday situation
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Explain Back: Showing two statements equivalent by truth table
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Common Mistakes: Simplifying a compound statement using the laws
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Final Revision: A biconditional used in a mathematical definition
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Explain Back: Showing that a statement is a contradiction
I have just studied showing that a statement is a contradiction in my SS2 Further Mathemat
Explain Back: The rule of syllogism
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Common Mistakes: The fallacy of denying the antecedent
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Explain Back: Arrangements restricted at the first letter
I have just studied arrangements restricted at the first letter in my SS2 Further Mathemat
Common Mistakes: Arranging objects when some must stay in a fixed order
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Final Revision: Counting the arrangements of people in a queue
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Explain Back: Circular arrangements with two people kept apart
I have just studied circular arrangements with two people kept apart in my SS2 Further Mat
Common Mistakes: Comparing a line arrangement with a circular one
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Final Revision: A word problem about seating at a round table
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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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Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further