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Prove that lines ax^2+2hxy+by^2+2gx+2fy+...

Prove that lines `ax^2+2hxy+by^2+2gx+2fy+c=0` are equidistant from the origin , if
`f^4-g^4=c(bf^2-ag^2)` .

Text Solution

Verified by Experts

The correct Answer is:
`(|c|)/sqrt((a-b)^2+4h^2)`
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