Jee Main
Matrices And Determinants
JEE Main 2026 (Online) 21st January Evening Shift
MCQ+4 / -12026
If the system of equations
$ 3x + y + 4z = 3 $
$ 2x + \alpha y - z = -3 $
$ x + 2y + z = 4 $
has no solution, then the value of $ \alpha $ is equal to: