1,033 prompts matching "IGCSE Additional Maths Y10: Factorising a cubic fully once one factor is known —"
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WAEC Prep: The statement of de Moivre's theorem
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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WAEC Prep: The square roots of a complex number
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WAEC Prep: The arguments of the n roots, spaced equally round the circle
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WAEC Prep: The n nth roots of a complex number
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Learn: The cube roots of unity
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Quiz: The roots of a complex number shown on an Argand diagram
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WAEC Prep: The sum and product of a pair of complex roots
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
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WAEC Prep: Solving a quadratic whose discriminant is negative
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Explain Back: Forming a quadratic equation with given complex roots
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WAEC Prep: Differentiating a constant from first principles
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WAEC Prep: Why the limit is taken as h tends to nought
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WAEC Prep: The definition of the derivative as a limit
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Practice: Differentiating x squared from first principles
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Explain Back: Differentiating one over x from first principles
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WAEC Prep: Differentiating a polynomial with a fractional index
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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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