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The system of equations alphax+y+z=a...

The system of equations
`alphax+y+z=alpha-1,`
`x+alphay+z=alpha-1`
`x+y+alphaz=alpha-1`
and has no solution if `alpha` is

A

1

B

not-2

C

either-2 or 1

D

-2

Text Solution

Verified by Experts

The correct Answer is:
D
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