1.

Let coordinates of the points A and B are (5,0) and (0,7) respectively. P and Q the variable point lying on the x-axis and y-axis respectively so that PQ is always perpendicular to the line AB. The locus of the point of intersection BP and AQ is

Answer»

`x^2+y^2-5x+7y =0`
`x^2+y^2+5x-7y =0`
`x^2+y^2+5x+7y =0`
`x^2+y^2-5x-7y =0`

ANSWER :B


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