1,334 prompts matching "Teach me the condition two matrices must meet before they can be multiplied"
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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 n nth roots of a complex number
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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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Practice: Why complex roots of a real quadratic come in conjugate pairs
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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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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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WAEC Prep: The product rule applied to three factors
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WAEC Prep: Simplifying the answer after using the quotient rule
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WAEC Prep: The product rule for differentiation
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Worked Example: The quotient rule for differentiation
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WAEC Prep: The chain rule applied twice in one problem
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WAEC Prep: Differentiating the square root of a function
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WAEC Prep: The chain rule for a function of a function
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WAEC Prep: A stationary point at which the second derivative is nought
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WAEC Prep: The greatest and least values of a function in a closed interval
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WAEC Prep: Finding the stationary points of a curve
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