1.

A point P(x, y) moves so that the product of the slopes of the two lines joining P to the two points (-2, 1) and (6, 5) is -4. Show that the locus is an ellipse and locate its centre.

Answer»


ANSWER :`4X^(2)+y^(2)-16x-6y-43=0`, CENTRE (2, 3)


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