If the trivial solution is the only solu...

If the trivial solution is the only solution of the system of equations
`x-ky + z = 0,`
`kx + 3y-kz=0,`
` 3x + y-z = 0`
Then the set of all values of `k` is:

A

{2,-3}

B

R-{2,-3}

C

R-{2}

D

R-{-3}

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The correct Answer is:

B

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