If the system of linear equations x+y+3z=0 x+3y+k^2z=0 3x+y+3z=0 has a non-zero solution (x, y, z) for some k...

Question

If the system of linear equations x+y+3z=0 x+3y+k^2z=0 3x+y+3z=0 has a non-zero solution (x, y, z) for some k ∈ R, then x+ ( y z ) is equal to :

Accepted Answer

(B)

JEE Main 2020 Mathematics question