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If system of equation x+ay+bcz=0 x+b...

If system of equation
`x+ay+bcz=0`
`x+by+caz=0`
`x+cy+abz=0`
have non zero solution then which of the following is incorrect

A

`acancel=bcancel=c cancel= a`

B

`acancel=b=c`

C

`a=bcancel=c`

D

`a=b=c`

Text Solution

Verified by Experts

The correct Answer is:
A

`because Delta=|(1,a,bc),(1,b,ca),(1,c,ab)|=0 implies (a-b)(b-c)(c-a)=0`.
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