1.

If A(a,0), B(-a,0) and angleAPB=45^(@), then the locus of P is

Answer»

`X^(2)+y^(2)+2ax+a^(2)=0`
`x^(2)+y^(2)-2ax-a^(2)=0`
`x^(2)+y^(2)+2yx+a^(2)=0`
`x^(2)+y^(2)-2ay-a^(2)=0`

ANSWER :4


Discussion

No Comment Found