JEE Main2019Math
Q.
If the system of equations
x+y+z = 5
x+2y+3z = 9
x+3y+z =
has infinitely many solutions, then – equals :
- A
5
- B
18
- C
21
- D
8
Solution

If the system of equations
x+y+z = 5
x+2y+3z = 9
x+3y+z =
has infinitely many solutions, then – equals :
5
18
21
8
