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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

R-{2,-3)

B

R-{2}

C

R-{-3}

D

{2,-3}

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The correct Answer is:
A
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