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# In a system of $3$ linear non-homogeneous equation with three unknowns,if $\bigtriangleup=0\;$ and $\;\bigtriangleup_{x}=0 ,\bigtriangleup_y\neq 0$ and $\bigtriangleup_z=0$ then the system has

(1) unique solution$\;$ (2)two solutions(3) infinitely many solutions $\;$(4) no solutions

There is no solution
Hence 4 is the correct answer.