1.

A(2, 3), B(-1, 1) are two points if P is a point such that angleAPB=90^(@) then the locus of P is

Answer»

`X^(2)+y^(2)-x-4y+1=0`
`x^(2)+y^(2)+x+4y-1=0`
`x^(2)+y^(2)-x+4y-1=0`
`x^(2)+y^(2)+x-4y-1=0`

ANSWER :1


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