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Mathematics 7 Online
OpenStudy (anonymous):

Solve the matrix : |1 2 1| 0 | |0 1 0|-2| |0 0 1| 3 |

OpenStudy (anonymous):

open study is for help not answers :)

OpenStudy (anonymous):

i know that, I am looking for help in solving this matrix

OpenStudy (nubeer):

i think the person has just stated the question. maybe he needs help solving it

OpenStudy (nubeer):

hmm @boomerang285 just want to know.. familiar with Guass jordan? is it related to it?

OpenStudy (anonymous):

yes I believe so, I am looking in my textbook, it is just very confusing

OpenStudy (nubeer):

ok and you have to find x, y, and z right?

OpenStudy (anonymous):

yes

OpenStudy (nubeer):

ok see your matrix.. all the elements below the peincipal diagnol are 0.. so you can apply Guass method.

OpenStudy (anonymous):

ok

OpenStudy (nubeer):

ok so in guass u make equations like this. just ignore the last column in you question and replace it with x,y ,z|dw:1352480536058:dw|

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