If each of the equations ax^2+2hxy+by^2+2gx+2fy+c=0 and ax^2+2hxy+by^2-2gx-2fy+c=0 represents a pair of straight lines , find the area of the parallelogram enclosed by them .

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- Feb 21st 2013, 02:27 AMSuvadipPair of Straight lines
If each of the equations ax^2+2hxy+by^2+2gx+2fy+c=0 and ax^2+2hxy+by^2-2gx-2fy+c=0 represents a pair of straight lines , find the area of the parallelogram enclosed by them .

Please help - Feb 22nd 2013, 12:42 AMchiroRe: Pair of Straight lines
Hey Suvadip.

Hint: Did you find the points of intersection between these objects?