What is the distance between #A(1,1,1)# and #B(4,1,-3)#?

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Answer 1 · 2018-04-16T15:44:45

#D=5# Length Unit

The distance between two points in 3_D cartesian Coordinate System can be given by

#D=sqrt((x_1-x_2)^2+(y_1-y_2)^2+(z_1-z_2)^2)#

assume that #(x_1,y_1,z_1)=(1,1,1)#

then #(x_2,y_2,z_2)=(4,1,-3)#

Now Substitute,

#D=sqrt((1-4)^2+(1-1)^2+(1-(-3))^2)#

#D=5# Length Unit