JEE Main2019Math
Q.
The greatest value of c R for which the system of linear equations
x – cy – cz = 0
cx – y + cz = 0
cx + cy – z = 0
has a non-trivial solution, is :
- A
–1
- B
0
- C
2
- D
Solution
The greatest value of c R for which the system of linear equations
x – cy – cz = 0
cx – y + cz = 0
cx + cy – z = 0
has a non-trivial solution, is :
–1
0
2