AP EAMCET Engineering 2013 Solved Paper

Section: Mathematics

Question : 128 of 160

Marks: +1, -0

If ax2+2hxy+by2+2gx +2fy+c=0 equation represents a pair of straight lines, then the square of the distance of their point of intersection from the origin is

c(a+b)−af2−bg2
ab−h2
c(a+b)+f2+g2
ab−h2
c(a+b)−f2−g2
ab−h2
c(a+b)−f2−g2
(ab−h2)2

Validate

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