Question 820863: Good morning my name is Keneshia and I really need help on this problem please.
Using the Gauss-Jordan elimination.
4x1-x2+2x3=3
-4x1+x2-3x3=-10
8x1-2x2+9x3=-1
Answer by LinnW(1048)   (Show Source):
You can put this solution on YOUR website! 4 -1 2 3
-4 1 -3 -10
8 -2 9 -1
Convert to wolframalpha.com input
gauss elimination {{4,-1,2,3},{-4,1,-3,-10},{8,-2,9,-1}}
Use the above line as input to www.wolframalpha.com
click on show steps to see a way to solve.
Result is
1 -1/4 0 0
0 0 1 0
0 0 0 1
|
|
|
