1,238 prompts matching "a GP with first term 100 and common ratio 0.5, find the sum to infinity"
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WAEC Prep: Multiplying two complex numbers
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Spot My Mistake: Dividing one complex number by another using the conjugate
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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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WAEC Prep: The argument measured in radians
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Quiz: The argument of a complex number
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Practice: The argument of a complex number in the second or third quadrant
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WAEC Prep: The locus of a complex number equidistant from two points
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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: Multiplying two complex numbers in polar form
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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: 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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Learn: The cube roots of unity
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