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 magnitude of a two-dimensional vector
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Quiz: The direction of a vector as an angle with the x-axis
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WAEC Prep: The unit vector in the direction of a displacement
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Worked Example: Finding the unit vector in the direction of a given vector
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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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Worked Example: The position vector of the midpoint of AB
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WAEC Prep: The parallelogram law of vector addition
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Worked Example: The triangle law of vector addition
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WAEC Prep: The dot product of a vector with itself
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WAEC Prep: The dot product used to find the work done by a force
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Explain Back: The dot product of two perpendicular vectors
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WAEC Prep: The parameter in the vector equation of a line
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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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Explain Back: The resultant of forces given as vectors
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Spot My Mistake: The equilibrium condition written in vector 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: Newton's third law, and identifying the pair of forces
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