Further Mathematics
AI prompts for senior secondary learners.
📅 36-Week WAEC Study Guide for Further Mathematics →756 prompts matching "Solving a cubic that must first be rearranged"
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Practice: A diagonal matrix
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Subscribe to unlock allWorked Example: A singular matrix, and why it has no inverse
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Subscribe to unlock allPractice: The condition on the orders for a product to exist
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Subscribe to unlock allLearn: Deciding whether a stated matrix calculation is possible at all
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Subscribe to unlock allPractice: Evaluating AB minus BA
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Subscribe to unlock allQuiz: Finding an unknown entry from a stated matrix equation
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Subscribe to unlock allWorked Example: What a determinant of nought means for a 2 by 2 matrix
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Subscribe to unlock allLearn: The effect on a determinant of swapping two rows
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Subscribe to unlock allQuiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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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 allWorked Example: Forming the determinant Dy by replacing the second column
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Subscribe to unlock allSpot My Mistake: Checking a Cramer's rule solution by substituting back
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Subscribe to unlock allPractice: Turning a minor into a cofactor with the sign rule
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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 allSpot My Mistake: Finding the adjoint of a 3 by 3 matrix
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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 allQuiz: Checking an inverse by multiplying to get the identity
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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 allQuiz: Checking a 3 by 3 inverse by multiplication
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