Consider the system of linear equations $x+2 y+z=7 ; x+y+\lambda z=3$; $x+3 y-5 z=5$. This system ha

Question

Consider the system of linear equations $x+2 y+z=7 ; x+y+\lambda z=3$; $x+3 y-5 z=5$. This system has unique solution for

Professor PC Thomas Classes · Answer

Determinant non-zero condition requires $\lambda 
eq 7$.