1,331 prompts matching "Choosing between factorising and the formula"
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WAEC Prep: The dot product worked out from components
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: Showing a triangle is right-angled using the dot product
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WAEC Prep: The parameter in the vector equation of a line
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WAEC Prep: Converting the vector equation of a line into Cartesian form
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WAEC Prep: The vector equation of a line through a point in a given direction
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Quiz: The vector equation of the line through two given points
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Practice: Deciding whether a point lies on a given line
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WAEC Prep: Writing a force as a vector in i and j form
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Spot My Mistake: The equilibrium condition written in vector form
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WAEC Prep: Why the square root of a negative number needs i
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WAEC Prep: Writing the square root of minus nine in terms of i
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WAEC Prep: The geometric meaning of adding two complex numbers
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Quiz: Subtracting one complex number from another
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Practice: Equating real and imaginary parts to find two unknowns
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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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