422 prompts matching "Deriving a multiple angle formula from de Moivre's theorem"
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Spot My Mistake: Dividing one surd by another
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Spot My Mistake: Rationalising and then cancelling a common factor
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Learn: The conjugate of a compound surd expression
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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
Learn: Solving an equation with a single square root term
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Explain Back: Solving an equation where the surd must be isolated first
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Spot My Mistake: Solving a surd equation that leads to a quadratic
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Learn: What a binary operation actually is
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Learn: What closure means for a binary operation
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Spot My Mistake: Reading closure off an operation table
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Learn: What it means for an operation to be commutative
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Explain Back: What it means for an operation to be associative
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Spot My Mistake: Testing (a*b)*c against a*(b*c)
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Learn: What it means for one operation to distribute over another
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Explain Back: Showing distributivity fails by a counter-example
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Explain Back: What an inverse element is
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Spot My Mistake: Finding the inverse of a given element
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Explain Back: The law for a product raised to a power
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Spot My Mistake: The law for a quotient raised to a power
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Learn: Why any non-zero number to the power nought is one
You are my personal SS1 Further Mathematics tutor. Teach me why any non-zero number to the