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Write the values of k for which the syst...

Write the values of `k` for which the system of equations `x+k y=0,\ \ 2x-y=0` has unique solution.

A

`kne-(1)/(2)`

B

`kne(3)/(2)`

C

`kne(1)/(2)`

D

`kne-(3)/(2)`

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The correct Answer is:
A
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