1,130 prompts matching "Deciding whether a number belongs to a given arithmetic progression"
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Practice: A 2 by 2 matrix multiplied by a column vector
Act as my SS3 Further Mathematics tutor. Give me five practice questions on a 2 by 2 matri
WAEC Prep: Multiplying two 3 by 3 matrices, row into column
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Worked Example: Taking a common factor out of a matrix
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WAEC Prep: Pre-multiplying a column vector by a matrix
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WAEC Prep: Post-multiplying a row vector by a matrix
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WAEC Prep: The transpose of a column vector
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WAEC Prep: Writing the transpose of a matrix by turning rows into columns
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Practice: The condition on the orders for a product to exist
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WAEC Prep: A matrix expression with brackets to expand
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WAEC Prep: Evaluating 2A plus 3B for two given matrices
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Practice: The sign pattern of the cofactors in a 3 by 3 determinant
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WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
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WAEC Prep: The cofactor of a corner entry
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WAEC Prep: Why the cofactor signs alternate
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Practice: Turning a minor into a cofactor with the sign rule
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WAEC Prep: The order in which the cofactors are transposed
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WAEC Prep: The adjoint as the transpose of the matrix of cofactors
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Quiz: Checking an inverse by multiplying to get the identity
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WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
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WAEC Prep: The newton, and how it is defined
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