36 results.
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Question in Bill's workspace
Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.
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$A$ a $3 \times 3$ matrix. Using row operations on the augmented matrix $\left(A | I_3\right)$ reduce to $\left(I_3 | A^{-1}\right)$.
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Question in Katie's workspace
Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.
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Question in Habiba's workspace
$A$ a $3 \times 3$ matrix. Using row operations on the augmented matrix $\left(A | I_3\right)$ reduce to $\left(I_3 | A^{-1}\right)$.
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Question in Michael's workspace
Find the determinant and inverse of three $2 \times 2$ invertible matrices.
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Question in Christoph's workspace
Find the determinant and inverse of three $2 \times 2$ invertible matrices.
