Question 1105677: solve the problem using matrix.
x+2y+3z+4w=0
8x+5y+z+4w=0
5x+6y+8z+w=0
8x+3y+7z+2w=0 Found 2 solutions by stanbon, Edwin McCravy:Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website! solve the problem using matrix.
x+2y+3z+4w=0
8x+5y+z+4w=0
5x+6y+8z+w=0
8x+3y+7z+2w=0
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Enter the 4 by 5 matrix in your TI calculator as matrix A.
Enter "Quit"
Enter 2nd; Matrix; B(rref)
Enter 2nd; Matix; A
Hit "Enter" to see::
x = y = z = w = 0
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Cheers,
Stan H.
----------- Answer by Edwin McCravy(20065) (Show Source): You can put this solution on YOUR website!
It has only one solution (x,y,z,w) = (0,0,0,0)
Edwin