Questions
The product of the perpendicular from to the pair of lines is
detailed solution
Correct option is C
The product of the perpendiculars drawn from the point Px1,y1to the pair of lines represented by the equation ax2+2hxy+by2=0 is ax12+2hx1y1+by12a−b2+4h2For equation x2+2xy+y2=0the product of the perpendiculars from the point (1,2) is d d=12+212+221−12+22=1+4+44=92Therefore, the product of the perpendiculars drawn from the point (1,2) to the pair of lines x2+2xy+y2=0is 92 unitsTalk to our academic expert!
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The product of the perpendicular from (1,1) to the pair of lines is 1 then
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