1,300 prompts matching "Multiplying a surd by an integer"
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WAEC Prep: Adding two complex numbers
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Worked Example: Squaring a complex number
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WAEC Prep: The conjugate of a purely imaginary number
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WAEC Prep: The conjugate of a product of two complex numbers
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WAEC Prep: The modulus of a product of two complex numbers
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Quiz: The argument of a complex number
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
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WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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Quiz: Writing a complex number in polar form
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Practice: Converting a complex number from polar form back to a plus bi
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WAEC Prep: De Moivre's theorem used with a negative index
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WAEC Prep: The statement of 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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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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Practice: Differentiating x squared from first principles
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