Answer to Question #130884 in Analytic Geometry for Galata

Question #130884
Find the distance between the following pair of points
A) the origin and (-√3,√6)
1
Expert's answer
2020-08-30T18:03:01-0400

The distance , d , between two points (x1,y1) and (x2,y2) is given by d = (x1x2)2+(y1y2)2\sqrt{(x_1-x_2)^2 +(y_1-y_2)^2} So, here we have (x1,y1)=(0,0) and (x2,y2)=(3,6-\sqrt3 ,\sqrt6 )Hence distance is d = (0(3))2+(06)2\sqrt{\smash[b](0-(-\sqrt3))^2+(0-\sqrt6)^2} = (3)2+(6)2\sqrt{\smash[b](\sqrt3)^2+(\sqrt6)^2}
=> d = 3+6=9=3\sqrt{\smash[b]3+6} = \sqrt{\smash[b]9} = 3 units.

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