1,317 prompts matching "Why multiplying by the conjugate clears the surd"
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the polar form wri
WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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WAEC Prep: De Moivre's theorem used with a negative index
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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WAEC Prep: The statement of 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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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: The definition of the derivative as a limit
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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
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a stationary point