1,334 prompts matching "Sum of an arithmetic series given the first and last term"
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Worked Example: The distance between two points in three dimensions
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Learn: The unit vectors i, j and k
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WAEC Prep: The distance between two points from their position vectors
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Learn: Subtracting one vector from another
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Explain Back: The dot product of two perpendicular vectors
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WAEC Prep: The angle between two three-dimensional vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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WAEC Prep: Finding the angle between two vectors from their dot product
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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WAEC Prep: The argument measured in radians
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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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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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WAEC Prep: Simplifying the answer after using the quotient rule
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Learn: Choosing between the product rule and the quotient rule
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WAEC Prep: The indefinite integral, and its notation
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Worked Example: The area between a curve and the x-axis
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