this post was submitted on 17 Aug 2023
6 points (100.0% liked)
ask_math
64 readers
1 users here now
A community to ask math questions with the goal of learning math.
When you ask a question, include a description of what you have already tried and where you feel you are stuck.
When answering a question, avoid simply giving the answer.
Let’s not do other people’s homework for them.
Similar communities: For general math news and conversation: https://lemmy.world/c/math
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
0 * 1 = 0 0 * 2 = 0 0 * 3 = 0
Therefore 0 * 1 = 0 * 2
So if you take that and go backwards, and divide by 0, what is your answer? Is it 1, 2, or 3?
Since there are infinite numbers that, when multiplied by 0 give you 0, it is undefined what the answer is when you go in the reverse direction. If you allow dividing by 0, you can get nonsensical answers like 1 = 2, which is obviously incorrect.