\[\alpha x+y+z=\alpha -1\] |
\[x+\alpha y+z=\alpha -1\] |
\[x+y+\alpha z=\alpha -1\] |
A) 1
B) \[either~-2\,\,or\text{ }1\]
C) \[-2\]
D) 2
E) None of these
Correct Answer: C
Solution :
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