1,334 prompts matching "IGCSE Additional Maths Y10: An equation of the form a to the power x equals b —"
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Quiz: The zero matrix as the identity for matrix addition
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WAEC Prep: Raising a 2 by 2 matrix to the third power
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Explain Back: Showing that AB and BA are usually different for 2 by 2 matrices
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WAEC Prep: Multiplying a 3 by 3 matrix by the identity matrix
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Spot My Mistake: Orders that make a product possible one way round but not the other
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Quiz: Solving AX equals B and XA equals B by different routes
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Spot My Mistake: A symmetric matrix, equal to its own transpose
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Worked Example: A singular matrix, and why it has no inverse
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Practice: The condition on the orders for a product to exist
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Learn: Deciding whether a stated matrix calculation is possible at all
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WAEC Prep: A matrix expression with brackets to expand
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WAEC Prep: Expanding a 3 by 3 determinant down a column
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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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Spot My Mistake: Why the inverse must be applied on the correct side
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WAEC Prep: When the matrix method is worth the work for three unknowns
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WAEC Prep: Mass, and how it differs from weight
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Learn: Inertia, and what mass actually measures
You are my personal SS3 Further Mathematics tutor. Teach me inertia, and what mass actuall