1.

A(-9, 0) and B(-1, 0) are two points. If P(x, y) is a point such that 3PB = PA, then the locus of P is

Answer»

`X^(2)-y^(2)=9`
`x^(2)-y^(2)+9=0`
`x^(2)+y^(2)=9`
`x^(2)+y^(2)=3`

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