Find the value of k for which the system...

Find the value of k for which the system of linear equations ` x + ky = 0, 2x - y =0 ` has uniques solution.

A

`k ne = (1)/(2)`

B

`k ne (3)/(2)`

C

`k ne (1)/(2)`

D

`k ne - (3)/(2)`

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