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If the straight lines ax+by+c=0, bx+cy+a...

If the straight lines `ax+by+c=0, bx+cy+a=0` and `cx+ay+b=0` are concurrent, then prove that `a^(3)+b^(3)+c^(3)=3abc`

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The correct Answer is:
`=3abc`
NA
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SRISIRI PUBLICATION-STRAIGHT LINES-EXAMPLE
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  12. Find the circumcentre of the triangle whose vertices are (1,3) (0,-2) ...

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