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### Course: Algebra (all content) > Unit 1

Lesson 11: Division by zero# The problem with dividing zero by zero

One can argue that 0/0 is 0, because 0 divided by anything is 0. Another one can argue that 0/0 is 1, because anything divided by itself is 1. And that's exactly the problem! Whatever we say 0/0 equals to, we contradict one crucial property of numbers or another. To avoid "breaking math," we simply say that 0/0 is undetermined. Created by Sal Khan.

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