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If the following three linear equations ...

If the following three linear equations have a non-trivial solution, then `x+4ay+az=0,x+3by+bz=0,x+2cy+cz=0`

A

a,b,c are in AP

B

a,b,c are in GP

C

a,b,c are in HP

D

a+b+c=0

Text Solution

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The correct Answer is:
C
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