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Further Mathematics

AI prompts for senior secondary learners.

📅 36-Week WAEC Study Guide for Further Mathematics →
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1,315 prompts matching "Expanding a bracket with a coefficient on x"

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Learn: The effect on a determinant of swapping two rows

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WAEC Prep: The determinant of a 3 by 3 matrix with two equal rows

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WAEC Prep: When Cramer's rule is quicker than elimination

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Learn: Solving two simultaneous equations by Cramer's rule

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WAEC Prep: What Cramer's rule gives when the system is inconsistent

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WAEC Prep: Setting out Cramer's rule for three simultaneous equations

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Explain Back: What a coefficient determinant of nought says about the system

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Spot My Mistake: Checking a Cramer's rule solution by substituting back

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Quiz: Arranging the equations in standard form before applying Cramer's rule

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Practice: Turning a minor into a cofactor with the sign rule

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WAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint

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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted

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WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it

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Quiz: Checking a 3 by 3 inverse by multiplication

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WAEC Prep: Reading the solution off the product of the inverse and the constants

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WAEC Prep: Writing two simultaneous equations as a single matrix equation

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Spot My Mistake: Why the inverse must be applied on the correct side

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WAEC Prep: Writing three simultaneous equations as a single matrix equation

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WAEC Prep: The newton, and how it is defined

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Learn: Converting a weight given in kilogram-force into newtons

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