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The system of simulataneous equations ...

The system of simulataneous equations
`kx + 2y -z = 1`
`(k -1) y -2z = 2`
`(k +2) z = 3`
have a unique solution if k equals

A

`-1`

B

`-2`

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
A
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