Question

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

Answer 1

open study is for help not answers :)

Answer 2

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

Answer 3

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

Answer 4

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

Answer 5

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

Answer 6

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

Answer 7

yes

Answer 8

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

Answer 9

ok

Answer 10

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