1.

Find the equation of set of points P such that PA^(2)+PB^(2)=2k^(2), where A and B are the points (3, 4, 5) and (-1,3,-7), respectively.

Answer»


ANSWER :`2x^(2)+2Y^(2)+2z^(2)-4x-14y+4z=2k^(2)-109`


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