If the planes `x - cy - bz = 0 , cx - y + az = 0` and `bx + ay - z = 0` pass through a straight

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Q 1287012887.     If the planes `x - cy - bz = 0 , cx - y + az = 0` and `bx + ay - z = 0` pass through a straight line, then the value of `a^2 + b^2 + c^2 + 2abc` is
A

`5`

B

`3`

C

`6`

D

`1`

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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