engineering recuitment GATE CE 2023-24 Test Series Engineering Mathematics Linear Algebra Systems of Linear Equations
If the following system has non-trivial solution, which one of the following options is/are TRUE?
px + qy + rz = 0
qx + ry + pz = 0
rx + py + qz = 0
1
p – q + r = 0
2
p = -q = r
3
p + q + r = 0
4
p = q = r