1,232 prompts matching "IGCSE Additional Maths Y11: Permutations of a set of digits without repetition —"
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WAEC Prep: A skew-symmetric matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a skew-symmetric m
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
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through evaluating A squar
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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WAEC Prep: Expanding a 3 by 3 determinant down a column
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through expanding a 3 by 3
WAEC Prep: Expanding a 3 by 3 determinant along the first row
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WAEC Prep: When Cramer's rule is quicker than elimination
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when Cramer's rule
WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
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Worked Example: Forming the determinant Dy by replacing the second column
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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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: Simultaneous equations with fractional coefficients solved by matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through simultaneous equat
WAEC Prep: Writing two simultaneous equations as a single matrix equation
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WAEC Prep: A three-unknown system arising from a word problem
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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
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a particle, and wh