1.

The equation (b-c)x+(c-a)y+a-b=0 (b^3-c^3)x+(c^3-a^3)y+a^3-b^3=0 will represent the same line if

Answer»

`a=B=c`
`a+b+c=0`
`a//b=c//a`
`a-b-c=0`

ANSWER :B


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