1.

If the equation 2hxy+2gx+2fy+c=0 represents two straight lines and form a rectangle with coordinate axes then its area is (sq.u)

Answer»

`(absf)/G^2`
`(ABS(fh))/(g^(2))`
`(abs(fg))/(h^(2))`
`(abs(gh))/(F^(2))`

ANSWER :C


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