1,334 prompts matching "Halving the coefficient of x and squaring it"
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: The magnitude of a two-dimensional vector
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Learn: The magnitude of a three-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: The magnitude of the sum of two vectors
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WAEC Prep: The unit vector in the direction of a displacement
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WAEC Prep: The position vector of a point dividing a line in a ratio
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WAEC Prep: The position vector of a point relative to the origin
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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WAEC Prep: The parallelogram law of vector addition
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WAEC Prep: The dot product of a vector with itself
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Practice: The dot product as the magnitudes times the cosine of the angle
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Learn: The angle between a vector and one of the axes
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WAEC Prep: Writing the square root of minus nine in terms of i
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Learn: The real and the imaginary parts of a complex number
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
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Learn: The cube roots of unity
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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: The definition of the derivative as a limit
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