Question

What is the distance between `(-8,1,-3)` and `(1,4,2)`?

Answer 1

`sqrt115`

Explanation:

`(x,y,z)&(a,b,c)`
the distance formula is
`d=sqrt((x-a)^2+(y-b)^2+(z-c)^2)`
so
`d=sqrt((-8-1)^2+(1-4)^2+(-3-2)^2)`
`=sqrt(81+9+25)`
`=sqrt115`