Further Mathematics
AI prompts for senior secondary learners.
📅 36-Week WAEC Study Guide for Further Mathematics →1,317 prompts matching "Why multiplying by the conjugate clears the surd"
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WAEC Prep: The determinant of a 2 by 2 matrix as ad minus bc
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Subscribe to unlock allWAEC Prep: The determinant of a 3 by 3 matrix with two equal rows
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Subscribe to unlock allWAEC Prep: Expanding a 3 by 3 determinant along the first row
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Subscribe to unlock allPractice: The sign pattern of the cofactors in a 3 by 3 determinant
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Subscribe to unlock allWorked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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Subscribe to unlock allSpot My Mistake: Forming the determinant Dx by replacing the first column
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Subscribe to unlock allWorked Example: Forming the determinant Dy by replacing the second column
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Subscribe to unlock allWAEC Prep: Why the cofactor signs alternate
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Subscribe to unlock allWAEC Prep: The minor of an entry of a 3 by 3 matrix
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Subscribe to unlock allSpot My Mistake: Checking cofactors by expanding the determinant along a second row
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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 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 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 allSpot My Mistake: Why the inverse must be applied on the correct side
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Subscribe to unlock allWorked Example: Checking the solution of three equations by substitution
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Subscribe to unlock allQuiz: Why mass stays the same wherever the body is taken
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