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Discussion Forum

Que. If the following system has non-trivial solution,

px + qy + rz = 0
qx + ry + pz = 0
rx + py + qz = 0

then which one of the following options is True?
a. p – q + r = 0 or p = q = –r
b. p + q – r = 0 or p = –q = r
c. p + q + r = 0 or p = q = r
d. p – q + r = 0 or p = –q = –r
Answer:p + q + r = 0 or p = q = r
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