126 prompts matching "Deciding whether a geometric series converges"
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Worked example: is this line tangent to this curve
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Quiz me on line and curve intersection conditions
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Quiz me on identifying propositions
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Teach me logically equivalent propositions
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Quiz me on biconditional statements
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Give me practice on logical equivalence
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Teach me conditionals versus tautologies
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Quiz me on tautologies
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Teach me how to determine the validity of an argument
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Explain argument validity back to me
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When to use permutations versus combinations
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Quiz me on simplifying surds
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Spot my mistake checking a logarithmic solution against the domain
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Worked example: finding and classifying a stationary point
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Spot my mistake multiplying two complex numbers in modulus-argument form
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Spot my mistake dividing two complex numbers in modulus-argument form
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Teach me finding the determinant of a 2x2 matrix
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Spot my mistake multiplying a two by two matrix by a two by one matrix
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Worked example: an AP with first term 5 and common difference 3, find the 20th term and the sum of the first 20 terms
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Worked example: a GP with first term 4 and common ratio 2, find the 8th term and the sum of the first 8 terms
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