Question

What is the distance between `(-1,4,9)` and `(1,-7,2)`?

Answer 1

sqrt(174)

Explanation:

Just use distance formula (norm method)

`sqrt(x_(dist)^2+y_(dist)^2+z_(dist)^2)`

`sqrt(2^2+11^2+7^2)`
`sqrt(4+121+49)`
`sqrt(4+170)`
`sqrt(174)`