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The system of equations : ax-y-z=alpha...

The system of equations :
`ax-y-z=alpha-1`
`x-ay-z=alpha-1`
`x-y-alphaz=alpha-1`
has no solution if `alpha` is :

A

either -2 or 1

B

`-2`

C

1

D

not - 2

Text Solution

Verified by Experts

The correct Answer is:
B
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