Homework Help: maths --urgenttttttttttttttttttttt

Posted by sunaina on Wednesday, December 5, 2012 at 9:35am.

find p & q, if the equation px^2 -8xy+3y^2 +14x+2y+x=0 represent a pair of perpendicular lines.

maths --urgenttttttttttttttttttttt - Steve, Wednesday, December 5, 2012 at 11:10am
there appears to be a typo. Why does "x" appear twice?

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