1.

If the line lx+my+n=0 meets the pair of lines 3x^(2)+7xy-5y^(2)=0 at A and B such that OA=OB then locus of midpoint of AB is

Answer»

`5X^(2)-7xy+3y^(2)=0`
`3x^(2)-14xy-3y^(2)=0`
`7x^(2)-16xy-7y^(2)=0`
`5x^(2)+7xy-3y^(2)=0`

ANSWER :C


Discussion

No Comment Found