Let's use Gaussian elimination. Consider the augmented matrix,
• Add row 1 to row 2, and add -1 (row 1) to row 3:
• Add -2 (row 2) to row 3:
• Add -2 (row 3) to row 2:
• Add row 2 and row 3 to row 1:
So the inverse is
Write the equation of each line using the given information. Show all work.
1 answer:
You might be interested in
