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anonymous
 4 years ago
Solve the system to find the pivots when 2uv=0, u+2vw=0, v+2wz=0, w+2z=5. You may carry the right hand side as a fifth column
anonymous
 4 years ago
Solve the system to find the pivots when 2uv=0, u+2vw=0, v+2wz=0, w+2z=5. You may carry the right hand side as a fifth column

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TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.0It's a system with the same number of variables as equations, so it can be soved I like putting this many variables in matrix format:dw:1327789604575:dwnow just pick a method: elimination, Cramer's rule, etc.

TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.0...of course when I get tired of doing that all day I just have wolfram do it :P http://www.wolframalpha.com/input/?i=solve%202uv%3D0%2C%20u%2B2vw%3D0%2C%20v%2B2wz%3D0%2C%20w%2B2z%3D5&t=crmtb01

TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.0If you are looking to avoid wolfram you could use Cramer's rule for the setup, and the method of cofactors to do the determinants. There may be an easier way though
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