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Further Mathematics

AI prompts for senior secondary learners.

📅 36-Week WAEC Study Guide for Further Mathematics →
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342 prompts matching "Factorising by grouping four terms"

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WAEC Prep: The determinant of a 2 by 2 matrix as ad minus bc

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Worked Example: What a determinant of nought means for a 2 by 2 matrix

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

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WAEC Prep: Expanding a 3 by 3 determinant down a column

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WAEC Prep: Expanding a 3 by 3 determinant along the first row

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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts

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Practice: The sign pattern of the cofactors in a 3 by 3 determinant

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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus

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Spot My Mistake: Forming the determinant Dx by replacing the first column

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Worked Example: Forming the determinant Dy by replacing the second column

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Spot My Mistake: Checking cofactors by expanding the determinant along a second row

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WAEC Prep: The inverse of a 2 by 2 matrix with a fractional determinant

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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: Checking the determinant before attempting a 3 by 3 inverse

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WAEC Prep: The inverse of a 3 by 3 matrix from its adjoint and its determinant

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WAEC Prep: A rigid body held in equilibrium by four forces

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WAEC Prep: Differentiating a polynomial term by term

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Learn: Integrating a polynomial term by term

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Evaluate a 3x3 determinant by expansion #1

Give me a 3x3 matrix like A=[[1,2,3],[0,1,4],[5,6,0]] and ask me to evaluate its determina

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