The system of linear equations $3 x-2 y-k z=10$; $2 x-4 y-2 z=6$ ; $x+2 y-z=5\, m$ is inconsistent if
The system of linear equations $3 x-2 y-k z=10$; $2 x-4 y-2 z=6$ ; $x+2 y-z=5\, m$ is inconsistent if
- [JEE MAIN 2021]
- A
$k =3, m =\frac{4}{5}$
- B
$k \neq 3, m \in R$
- C
$k \neq 3, m \neq \frac{4}{5}$
- D
$k =3, m \neq \frac{4}{5}$
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