1,334 prompts matching "Expressing the answer in the form a plus b root c"
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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: The product of a 2 by 2 matrix with the identity
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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: Checking a single entry of a 3 by 3 product
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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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WAEC Prep: Multiplying every entry of a matrix by a scalar
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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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Quiz: Solving AX equals B and XA equals B by different routes
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WAEC Prep: The transpose of a column vector
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WAEC Prep: The transpose of a transpose
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WAEC Prep: The identity matrix of order three
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WAEC Prep: Evaluating A squared minus 2A
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