5 results authored by Thomas Winyard - search across all users.
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Question in SPF Math1060
$A$ 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 SPF Math1060
Solving a system of three linear equations in 3 unknowns using Gauss Elimination in 4 stages. Solutions are all integral.
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Question in SPF Math1060
This question asks learners to use row operations to find the inverse of a 3x3 matrix.
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Question in SPF Math1060
Find the determinant of a $3 \times 3$ matrix.
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Question in SPF Math1060
$A$ a $3 \times 3$ matrix. Using row operations on the augmented matrix $\left(A | I_3\right)$ reduce to $\left(I_3 | A^{-1}\right)$.