NCERT Exercise 4.5 Q11 - Determinants

Question: Solve by matrix method: 2x+y+z=1, x-2y-z=3/2, 3y-5z=9.

Answer: x=1, y=1/2, z=-3/2.

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 4 solutions