If the eqaution ax^(2)+2hxy +by^(2) +2g x +2fy+c=0represents a pair of – InterviewSolution

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1.	If the eqaution ax^(2)+2hxy +by^(2) +2g x +2fy+c=0represents a pair of straigtht lines, then the square of the distance of their point of intersection from the origin is
Answer» `(C(a+b)-af^2-bg^2)/(ab-h^2)` `(c(a+b)+f^2-g^2)/(ab-h^2)` `(c(a+b)-f^2-g^2)/(ab-h^2)` `(c(a+b)-f^2-g^2)/(ab-h^2)^2` ANSWER :C

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