Question

What is the distance between (5, –6, 4) and (4, –4, –2)?

Answer 1

Consider the distance formula applying to the distance between points (a,b) and (c,d) in two-dimensional space:

\[d=\sqrt{(c-a)^{2}+(d-b)^{2}}\]

Answer 2

What is the corresponding formula for the distance between points (x,y,z) and (q,r,w) in three-dimensional space?

Answer 3

JB?