If \[x+y-z=0,\,3x-\alpha y-3z=0,\,\,x-3y+z=0\] has non zero solution, then \[\alpha =\] [MP PET 1990]

If \[x+y-z=0,\,3x-\alpha y-3z=0,\,\,x-3y+z=0\] has non zero solution,

1.	If \[x+y-z=0,\,3x-\alpha y-3z=0,\,\,x-3y+z=0\] has non zero solution, then \[\alpha =\] [MP PET 1990]
A.	-1
B.	0
C.	1
D.	-3
Answer» E.

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If \[x+y-z=0,\,3x-\alpha y-3z=0,\,\,x-3y+z=0\] has non zero solution, then \[\alpha =\] [MP PET 1990]

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