Question

Prove that \(\rm |a -b| = |b - a|\)

Answer 1

How?

Answer 2

|a-b| = |-(b-a)| = |-1||b-a| = |b-a|

Answer 3

Wow, that's the best proof ever. lol
How could I not think of it?

Answer 4

Are a and b vectors?

Answer 5

lol, we're not talking about magnitude.

Answer 6

|...| is absolute value.

Answer 7

it makes sense because the distance\[(a,b)=(b,a)\]
only if this was mathematical proof