Further Mathematics
AI prompts for senior secondary learners.
📅 36-Week WAEC Study Guide for Further Mathematics →1,170 prompts matching "Spot my mistake calculating standard deviation"
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Practice: Turning a minor into a cofactor with the sign rule
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Subscribe to unlock allExplain Back: Writing out the full 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 allWorked Example: The identity that A times its adjoint gives the determinant times the identity
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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 allPractice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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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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Subscribe to unlock allExplain Back: The inverse of a diagonal matrix
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Subscribe to unlock allExplain Back: Solving two simultaneous equations by multiplying by the inverse
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Subscribe to unlock allPractice: What a singular coefficient matrix says about the equations
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Subscribe to unlock allQuiz: Solving three simultaneous equations with the inverse matrix
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Subscribe to unlock allPractice: Comparing the inverse method with elimination for three equations
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Subscribe to unlock allLearn: Inertia, and what mass actually measures
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Subscribe to unlock allQuiz: Why mass stays the same wherever the body is taken
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