1.

A-=(-4,0) ,B-=(4,0). M and N are the variable point of the y-axis such that M lies below N and MN=4. Lines AM and BN intersect at P. The locus of P is

Answer»

`2xy-16-x^2=0`
`2xy+16-x^2=0`
`2xy+16+x^2=0`
`2xy-16+x^2=0`

ANSWER :D


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