1.

If the equation 3x^(2)+7xy+2y^(2)+2 gx+2 fy+2=0 represents a pair of intersecting lines and the square of the distance of their point of intersection from the origin is 2/5 , then f^2+g^2=

Answer»

`25/4`
`25`
`50`
`25/2`

ANSWER :D


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