1,322 prompts matching "solve x^2+4x+13=0 giving the roots as complex numbers"
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Worked Example: The powers of i, and the cycle they follow
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WAEC Prep: The conjugate of a purely imaginary number
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WAEC Prep: The modulus and the argument taken together
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WAEC Prep: The conjugate shown on an Argand diagram
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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 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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Learn: Choosing between the product rule and the quotient rule
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WAEC Prep: The chain rule applied twice in one problem
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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: Finding the stationary points of a curve
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WAEC Prep: The indefinite integral, and its notation
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WAEC Prep: Integrating a derivative to recover the original function
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Explain Back: The constant of integration, and why it appears
I have just studied the constant of integration, and why it appears in my SS3 Further Math