JEE Math Practice Question
If x = a, y = b, z = c is a solution of the system of linear equations x + 8y + 7z = 0 9x + 2y + 3z = 0 x + y + z = 0 such that the point (a, b, c) lies on the plane x + 2y + z = 6, then 2a + b + c equals :
- A.$$-$$ 1
- B.0
- C.1
- D.2
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