Further Mathematics
AI prompts for senior secondary learners.
📅 36-Week WAEC Study Guide for Further Mathematics →1,329 prompts matching "Arrangements restricted at the first letter"
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WAEC Prep: Why the cofactor signs alternate
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the cofactor s
Subscribe to unlock allWAEC Prep: The minor of an entry of a 3 by 3 matrix
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Subscribe to unlock allExplain Back: Writing out the full matrix of cofactors
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Subscribe to unlock allWAEC Prep: The adjoint of the identity matrix
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Subscribe to unlock allWAEC Prep: The adjoint as the transpose of the matrix of cofactors
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Subscribe to unlock allExplain Back: Finding the adjoint of a 2 by 2 matrix quickly
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Subscribe to unlock allSpot My Mistake: Finding the adjoint of a 3 by 3 matrix
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Subscribe to unlock allWorked Example: The identity that A times its adjoint gives the determinant times the identity
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Subscribe to unlock allWAEC Prep: The inverse of a 2 by 2 matrix with a fractional determinant
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Subscribe to unlock allWAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint
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Subscribe to unlock allLearn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Subscribe to unlock allWAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
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Subscribe to unlock allWAEC Prep: Checking the determinant before attempting a 3 by 3 inverse
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Subscribe to unlock allWAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant
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Subscribe to unlock allLearn: The order of the steps in inverting a 3 by 3 matrix
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Subscribe to unlock allExplain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
Subscribe to unlock allExplain Back: Solving two simultaneous equations by multiplying by the inverse
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Subscribe to unlock allWAEC Prep: When the matrix method is worth the work for three unknowns
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Subscribe to unlock allQuiz: Solving three simultaneous equations with the inverse matrix
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Subscribe to unlock allWorked Example: Checking the solution of three equations by substitution
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