ahmedhgaber ahmedhgaber
  • 02-12-2017
  • Mathematics
contestada

Solve the system
2x-y=-1
-2x+z=1
Y-z=0

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Paounn
Paounn Paounn
  • 02-12-2017
Unless you are required to solve it as a matrix/vector product, the simplest way is, from the 3rd, get y=z, substitute in the second and notice that the two equations are one and the same. You have [tex]\infty^1[/tex] solutions, given by the vector [tex] [\frac{t-1}{2};t;t ][/tex]
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