1.

4 x 4 16MThere is internal choice for each question.(A) Find the relation between x and y such that the point (x, y) is equidistant from points (7,and (3, 5)14.

Answer»

By using distance formula

and squaring both sides

(x-7)²+(y-1)²= (x-3)²+(y-5)²

x²+ 49 -14x + y²-2y+1= x²+9 -6x + y²+ 25 -10y

50-14x-2y=34-6x-10y

25 -7x -y=17 -3x -5y

4x-4y=8

x-y=2

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