1,332 prompts matching "Finding an endpoint given the midpoint"
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Learn: The distributive law for a scalar over a sum of matrices
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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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Spot My Mistake: A symmetric matrix, equal to its own transpose
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WAEC Prep: The identity matrix of order three
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Worked Example: A singular matrix, and why it has no inverse
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WAEC Prep: The order of a matrix formed from a table of data
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WAEC Prep: Stating the order of a product before working it out
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WAEC Prep: Reading the order of a matrix as rows by columns
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Practice: The condition on the orders for a product to exist
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Learn: Deciding whether a stated matrix calculation is possible at all
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WAEC Prep: A matrix expression with brackets to expand
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Explain Back: Solving a matrix equation containing both a sum and a product
I have just studied solving a matrix equation containing both a sum and a product in my SS
Worked Example: What a determinant of nought means for a 2 by 2 matrix
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WAEC Prep: Expanding a 3 by 3 determinant down a column
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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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WAEC Prep: When Cramer's rule is quicker than elimination
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Learn: Solving two simultaneous equations by Cramer's rule
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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WAEC Prep: Setting out Cramer's rule for three simultaneous equations
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