1.

AB is a variable lines sliding between the coordinate axes in such a way that A lies on x-axis and B lies on y-axis. The P is a variable point on AB such that PA=b, PB=a and AB=a+b, then the equation of the locus of P is

Answer»

`X^(2)/a^(2)+y^2/b^2=1`
`x^(2)/a^(2)-y^2/b^2=1`
`x^2+y^2`
`a^2+b^2`

ANSWER :A


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