Further Mathematics
AI prompts for senior secondary learners.
📅 36-Week WAEC Study Guide for Further Mathematics →878 prompts matching "Checking a root of a cubic by substitution"
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Learn: Solving two simultaneous equations by Cramer's rule
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Subscribe to unlock allWAEC Prep: The determinant Dz in a system of three unknowns
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Subscribe to unlock allExplain Back: What a coefficient determinant of nought says about the system
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Subscribe to unlock allWAEC Prep: The cofactor of a corner entry
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Subscribe to unlock allWAEC Prep: Why the cofactor signs alternate
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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 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 order in which the cofactors are transposed
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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 allWAEC Prep: The inverse of an inverse
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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 allPractice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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Subscribe to unlock allExplain Back: The inverse of a diagonal matrix
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Subscribe to unlock allWAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
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Subscribe to unlock allWAEC Prep: Reading the solution off the product of the inverse and the constants
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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 allWorked Example: The units of mass, and the SI unit
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Subscribe to unlock allWAEC Prep: The weight of a body on the moon compared with on earth
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Subscribe to unlock allWorked Example: The weight of a body as mass times g
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