anonymous
  • anonymous
solve the system x1+X2 -x3 +x4 =5 -3x1 +x2 =5x4=2 2x1 + 1/2 x2 -x3= 2
Linear Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
are you talking about x^2 or 2x on the first line?
UsukiDoll
  • UsukiDoll
augmented matrix
UsukiDoll
  • UsukiDoll
write it in augmented matrix form and then use the Gaussian method to get into echelon form

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UsukiDoll
  • UsukiDoll
after that use Guass Jordan (row reduced echleon form)
UsukiDoll
  • UsukiDoll
|dw:1361520164481:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520243815:dw|we have some numbers below the main diagonal. we need to get rid of them
UsukiDoll
  • UsukiDoll
3r1+r2 ---> r2 2r1+r3 ---> r3
UsukiDoll
  • UsukiDoll
|dw:1361520296588:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520348370:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520395578:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520453895:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520485980:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520642615:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520682113:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520706134:dw|
UsukiDoll
  • UsukiDoll
3r2-2r3 -->r3
UsukiDoll
  • UsukiDoll
|dw:1361520750768:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520816538:dw|
UsukiDoll
  • UsukiDoll
|dw:1361520917543:dw|

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