1,319 prompts matching "A selection with at most a stated number of one kind"
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WAEC Prep: The difference between pre-multiplying and post-multiplying by a matrix
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WAEC Prep: A skew-symmetric matrix
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WAEC Prep: The identity matrix, and what it does in a product
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Worked Example: A singular matrix, and why it has no inverse
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WAEC Prep: Evaluating A squared minus 2A
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WAEC Prep: Evaluating 2A plus 3B for two given matrices
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Explain Back: Solving a matrix equation containing both a sum and a product
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
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WAEC Prep: Setting out the coefficient determinant for two simultaneous equations
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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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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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WAEC Prep: Writing two simultaneous equations as a single matrix equation
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Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
WAEC Prep: When the matrix method is worth the work for three unknowns
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WAEC Prep: Writing three simultaneous equations as a single matrix equation
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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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