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If the system of equations x-k y-z=0, k ...

If the system of equations `x-k y-z=0, k x-y-z=0,x+y-z=0` has a nonzero solution, then the possible value of `k` are a.`-1,2` b. `1,2` c. `0,1` d. `-1,1`

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CENGAGE PUBLICATION-DETERMINANTS-All Questions
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  5. By using properties of determinants. Show that: |1+a^2-b^2; 2ab; -2b: ...

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