Jan 5 - • Interchange equations • Scaling an equation...

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ax+by=c (1) ex+fy=c (2) 1 solution infinite solutions No solution Given 2 equations e 1 =0 ke 1 =0 k 0 e 2 =0 swap equations: e 2 =0 e 1 =0 e 1 =0 e 2 +ce 1 =0 Legal elementary operations: (preserve the solution)
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Unformatted text preview: • Interchange equations • Scaling an equation by non-zero constant • Addition of a constant multiple of equation to another equation...
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Jan 5 - • Interchange equations • Scaling an equation...

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