1,199 prompts matching "Adding and subtracting like surds"
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Learn: The angle between a vector and one of the axes
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WAEC Prep: The resultant force on a particle given in i and j form
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WAEC Prep: Writing a force as a vector in i and j form
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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Worked Example: The powers of i, and the cycle they follow
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Learn: The real and the imaginary parts of a complex number
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Practice: Equating real and imaginary parts to find two unknowns
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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 and the argument taken together
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WAEC Prep: The conjugate shown on an Argand diagram
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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Practice: The addition of complex numbers shown on an Argand diagram
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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Quiz: The roots of a complex number shown on an Argand diagram
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WAEC Prep: The sum and product of a pair of complex roots
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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Practice: Differentiating sin x and cos x
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