1,258 prompts matching "Spot my mistake multiplying a two by two matrix by a two by one matrix"
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Worked Example: What a determinant of nought means for a 2 by 2 matrix
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Learn: Solving two simultaneous equations by Cramer's rule
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Explain Back: Finding the adjoint of a 2 by 2 matrix quickly
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Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Quiz: Checking an inverse by multiplying to get the identity
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Learn: The order of the steps in inverting a 3 by 3 matrix
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Learn: Finding two unknown forces by Lami's theorem
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Show all working: the determinant of a three by three matrix
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Quiz: Multiplying two surds and simplifying the result
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Show All Working: The time at which two bodies are nearest one another
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Learn: Two particles joined by a light inextensible string over a smooth pulley
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WAEC Prep: Adding two 2 by 2 matrices entry by entry
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WAEC Prep: Checking a matrix subtraction by adding back
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WAEC Prep: The product of a 2 by 2 matrix with the identity
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WAEC Prep: Raising a 2 by 2 matrix to the third power
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Practice: A 2 by 2 matrix multiplied by a column vector
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WAEC Prep: Writing the transpose of a matrix by turning rows into columns
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Practice: The transpose of a 2 by 3 matrix
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WAEC Prep: Reading the order of a matrix as rows by columns
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WAEC Prep: The determinant of a 2 by 2 matrix as ad minus bc
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