JEE Main202523 Jan 2025Evening ShiftMathematicsDeterminantsActual
The system of equations aligned & x+y+z=6 & x+2 y+5 z=9, & x+5 y+ z= , aligned has no solution if
Options
- A=15, 17
- B17, 18
- C=17, 18
- D=17, =18
Correct answer
C. =17, 18
Step-by-step solution
aligned & D = | array lll 1 & 1 & 1 1 & 2 & 5 1 & 5 & array |=0 & =17 & D_z= | array lll 1 & 1 & 6 1 & 2 & 9 1 & 5 & array | 0 & 18 aligned