1,333 prompts matching "Checking an inverse by working the operation both ways"
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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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Quiz: Solving AX equals B and XA equals B by different routes
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Worked Example: A singular matrix, and why it has no inverse
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WAEC Prep: Stating the order of a product before working it out
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WAEC Prep: Reading the order of a matrix as rows by columns
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Explain Back: Solving a matrix equation containing both a sum and a product
I have just studied solving a matrix equation containing both a sum and a product in my SS
Worked Example: What a determinant of nought means for a 2 by 2 matrix
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Learn: The effect on a determinant of swapping two rows
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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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Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
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WAEC Prep: Simultaneous equations with fractional coefficients solved by matrix
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Spot My Mistake: Why the inverse must be applied on the correct side
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Practice: The value of g used in Nigerian examination papers
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Learn: The resultant of two perpendicular forces
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Practice: The direction of the resultant of several coplanar forces
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WAEC Prep: The forces on a body suspended by a single string
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Practice: Limiting friction, and the greatest value it can reach
Act as my SS3 Further Mathematics tutor. Give me five practice questions on limiting frict