707 prompts matching "sum to infinity of a geometric series"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Learn: What closure means for a binary operation
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Final Revision: Why closure is checked before any other property
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Final Revision: Why brackets matter when an operation is not associative
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Final Revision: Why distributivity links two operations rather than one
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Learn: What an identity element is
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Common Mistakes: Checking an inverse by working the operation both ways
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Learn: Reading index notation, the base and the exponent
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Final Revision: Evaluating a numerical expression using the index laws
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Common Mistakes: Writing a root as a fractional index before simplifying
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Common Mistakes: An indicial equation solved by substitution
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Final Revision: Checking an indicial solution by substitution
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Common Mistakes: Reading a logarithm from a table
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Final Revision: Proving a logarithmic identity from the laws
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Learn: What a sequence is, and what a term means
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Final Revision: Describing a sequence in words and then in symbols
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Learn: What makes a sequence an arithmetic progression
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Common Mistakes: An arithmetic progression with a negative common difference
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