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The system of linear equations x + y +...

The system of linear equations
`x + y + z = 2`
`2x + y -z = 3`
`3x + 2y + kz = 4`
has a unique solution, if

A

k = 0

B

k`ne` 0

C

`-1 lt k lt 1`

D

`-2 lt k lt 2`

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The correct Answer is:
B
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