755 prompts matching "The statement of de Moivre's theorem"
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Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Explaining why a^1/n means the nth root of a
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Surds arising from Pythagoras' theorem
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Rationalising the denominator when it's a surd minus a surd
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Listing elements of a set from a description
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Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Deciding whether a geometric series converges
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Deriving the arithmetic series sum formula
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Deriving the geometric series sum formula
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Factorising the sum and difference of two cubes
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WAEC Prep: Ordering a list of surds by size
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Show All Working: Deciding whether two given surds are equal without a calculator
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Learn: Why a surd is never left in the denominator
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Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
Spot My Mistake: A binary operation defined on a set of three elements
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Final Revision: Deciding whether a given rule really is a binary operation
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Common Mistakes: Closure on a set of three elements under a stated rule
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Spot My Mistake: Finding the inverse of a given element
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Final Revision: Identity and inverse together, and what they give the set
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Learn: Reading index notation, the base and the exponent
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