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If the system of linear equations x+2ay...

If the system of linear equations `x+2ay +az =0,x+3by+bz =0 and x+4cy + cz =0` has a non-zero solution, then `a, b, c`

A

are in G.P.

B

are in H.P.

C

satisfy `a+2b+3c=0`

D

are in A.P.

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The correct Answer is:
B
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