How can you "prove" that #0/0 = 2# ?

2 Answers
Nov 11, 2017

If we are in the world of Algebra that is incorrect. I assume you are asking a trick question.

Explanation:

#0/0 = 2/2# is not an equal proportion this is incorrect

  • the proportions are not equal nor does #0 cancel=2, 2 cancel=0#

I assume you want to tell me # 2 * 0 = 0/0 # is that so?

Nov 12, 2017

Starting from the premise that any number divided by itself is #1#...

Explanation:

Start from the (false) premise that any number divided by itself is #1#.

Then #0/0 = 1#

So:

#0/0 = (0+0)/0 = 0/0 + 0/0 = 1+1 = 2#

Is that what you had in mind?

Footnote

In practice, division by #0# is (almost) always undefined and #0/0# is an indeterminate form.

The true version of the premise assumed above might be "Any non-zero number divided by itself is #1#".