1,322 prompts matching "Why the logarithm of a negative number does not exist"
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WAEC Prep: Finding the angle between two vectors from their dot product
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Practice: Deciding whether a point lies on a given line
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WAEC Prep: The resultant force on a particle given 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: 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: The polar form written as r cos theta plus i r sin theta
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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WAEC Prep: The product rule applied to three factors
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WAEC Prep: Simplifying the answer after using the quotient rule
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WAEC Prep: The product rule for differentiation
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Worked Example: The quotient rule for differentiation
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WAEC Prep: The chain rule applied twice in one problem
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WAEC Prep: A stationary point at which the second derivative is nought
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Spot My Mistake: Classifying a stationary point by the second derivative
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WAEC Prep: Integrating a derivative to recover the original function
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WAEC Prep: A definite integral evaluated with the limits reversed
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WAEC Prep: The area under a straight line checked by a trapezium
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Worked Example: The area between a curve and the x-axis
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