1,332 prompts matching "Roots equal in magnitude but opposite in sign"
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WAEC Prep: The dot product worked out from components
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WAEC Prep: The angle between two three-dimensional vectors
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Learn: The angle between a vector and one of the axes
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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 product of two complex numbers
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WAEC Prep: The conjugate of a complex number, and how it is written
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Quiz: The product of a complex number and its conjugate
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Practice: The sum of a complex number and its conjugate
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WAEC Prep: The modulus of a product of two complex numbers
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WAEC Prep: The modulus and the argument taken together
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Quiz: The argument of a complex number
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WAEC Prep: The conjugate shown on an Argand diagram
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Practice: The addition of complex numbers shown on an Argand diagram
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WAEC Prep: The statement of de Moivre's theorem
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WAEC Prep: Why the limit is taken as h tends to nought
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WAEC Prep: The product rule applied to three factors
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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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Worked Example: The area between a curve and the x-axis
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WAEC Prep: A small percentage change estimated by calculus
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