422 prompts matching "Deriving a multiple angle formula from de Moivre's theorem"
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Show All Working: Simplifying an expression that mixes the index types
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on simplifying an
Common Mistakes: Writing a root as a fractional index before simplifying
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Final Revision: Converting an answer back out of index form
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Worked Example: Solving an indicial equation where one side must be factorised first
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Explain Back: An indicial equation with the unknown in the exponent on both sides
I have just studied an indicial equation with the unknown in the exponent on both sides in
Worked Example: Writing an index statement as a logarithm
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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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WAEC Prep: Solving an exponential equation by taking logarithms of both sides
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Worked Example: Writing out the terms of a sequence from its nth term
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Spot My Mistake: A sequence defined by a recurrence relation
Act as my SS1 Further Mathematics tutor. Work a question on a sequence defined by a recurr
Show All Working: Deciding whether a given number is a term of a sequence
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on deciding whethe
Final Revision: Describing a sequence in words and then in symbols
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Worked Example: The alternative sum formula that uses the last term
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Common Mistakes: Proving the sum formula by pairing the terms
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Final Revision: A savings problem modelled by an arithmetic progression
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Final Revision: Deciding whether a given sequence is a geometric progression
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Worked Example: Which form of the sum formula to use when r is less than one
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Spot My Mistake: A compound interest problem modelled by a geometric progression
Act as my SS1 Further Mathematics tutor. Work a question on a compound interest problem mo