1,331 prompts matching "Which form of the sum formula to use when r is less than one"
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WAEC Prep: The conjugate of a purely imaginary number
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the conjugate of a
WAEC Prep: The conjugate of a product of two complex numbers
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Quiz: The product 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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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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Practice: The addition of complex numbers shown on an Argand diagram
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Explain Back: The locus of a complex number at a fixed distance from a point
I have just studied the locus of a complex number at a fixed distance from a point in my S
WAEC Prep: The polar form written as r cos theta plus i r sin theta
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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: Expanding cos of 3 theta using 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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Quiz: The roots of a complex number shown on an Argand diagram
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WAEC Prep: Differentiating the square root 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: The greatest and least values of a function in a closed interval
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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