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Show that the straight lines (a-b)x+(b-c...

Show that the straight lines `(a-b)x+(b-c)y=c-a,(b-c)x+(c-a)y=a-b` and `(c-a)x+(a-b)y=b-c` are concurrent.

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The correct Answer is:
`:.` The give 3 lines are concurrent.
NA
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SRISIRI PUBLICATION-STRAIGHT LINES-EXAMPLE
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