1,334 prompts matching "Finding the number of terms in an arithmetic series"
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WAEC Prep: Adding two 2 by 2 matrices entry by entry
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Worked Example: Adding two 3 by 3 matrices
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Quiz: The zero matrix as the identity for matrix addition
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WAEC Prep: Checking a matrix subtraction by adding back
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WAEC Prep: Subtracting a matrix from itself
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WAEC Prep: Multiplying two 2 by 2 matrices, row into column
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Spot My Mistake: Squaring a 2 by 2 matrix
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WAEC Prep: Multiplying two 3 by 3 matrices, row into column
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Spot My Mistake: Multiplying a 3 by 3 matrix by a 3 by 1 column
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WAEC Prep: Multiplying a matrix by a fraction
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Quiz: Multiplying a matrix by minus one
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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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Spot My Mistake: Orders that make a product possible one way round but not the other
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Spot My Mistake: A symmetric matrix, equal to its own transpose
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Practice: The condition on the orders for a product to exist
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WAEC Prep: Evaluating A squared minus 2A
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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: Evaluating AB minus BA
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