1,320 prompts matching "Finding the identity element from a rule such as a*b = a + b - 3"
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Worked Example: The associative law for the product of three matrices
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WAEC Prep: Reading the order of a matrix as rows by columns
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WAEC Prep: The determinant of a 2 by 2 matrix as ad minus bc
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Explain Back: The determinant of a product as the product of the determinants
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WAEC Prep: The adjoint as the transpose of the matrix of cofactors
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WAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint
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WAEC Prep: A particle, and what the word assumes
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WAEC Prep: A rigid body, and what the word assumes
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Worked Example: The units of mass, and the SI unit
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Worked Example: The weight of a body as mass times g
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Spot My Mistake: The greatest and the least resultant of two given forces
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WAEC Prep: Expanding p plus q, all to the power n, as a probability model
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WAEC Prep: The probability of at least one event in a Poisson distribution
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WAEC Prep: The mean of a binomial distribution as np
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WAEC Prep: The position of a point in space written as a vector
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Explain Back: The resultant of forces given as vectors
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WAEC Prep: The argument measured in radians
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
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WAEC Prep: Why the limit is taken as h tends to nought
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