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In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause such problems?

Lesson by TED-Ed, animation by Nick Hilditch.

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TED-Ed9 months agoThank you so much to everyone who has joined us over on patreon.com/teded! Your support is helping bring free educational materials to curious, life-long learners around the world!

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CarBoy9 months agoi'd like to say this: try 3/0. imagine writing a 2D graph of 3/x. you'll find 2 curves that are opposite to each other, and the y coordinate higher as the x coordinate goes all the way to 0. what happens at 0 is that it is at (0, ∞). but also, 0 is both a positive AND a negative number. so, you also get (0, -∞). and this literally goes for all the graphs for n/0 (in this case n was 3). so the solution, in the end, is both +∞ and -∞. me 1, you 0. haha.

Peteram Nanghee9 months ago0 (divide) x ≠[or=] infinty.

Peteram Nanghee9 months ago0 divide x ≠infinty

I??

James Mac7779 months agoI believe in the order of operations that divide by any zero should be first, because 1/0 *0/1 is 1 (where the zeros cancel each other), and this is non-sense, because infinity is incomprehensible and undefined as a number.

The Primordial Gamer9 months ago10÷0 =10 Who said we cant Devide by Zero? I just did 😎😎🤓

avenuecity9499 months agoMy rivals did that anyway.

#FF0000AnubisFace9 months agoso you’re telling me that after all those calculus classes… 1+1 is actually 3? 😦

WARwithPC9 months agoZero is like fire🔥anything it touches it becomes it. Also zero is invented by India 🇮🇳😁

Kali Omar9 months agoJavascript say hi 😀

Niranjana Pottekkat9 months agoTed ed, I have a doubt, if any number divided by itself is 1; then isn't 0/0=1?

GKM Gaming9 months agoI had to learn this the hard way when I kept dividing by zero on a calculator and it was saying "ERROR ERROR ERROR!"

Mayday Information9 months agoThank you now I can sleep

Mayday Information9 months agoThank you now I can sleep

Rachie 000009 months ago5 ÷ 0 =5

If you divide it by 0 then you technically do nothing to the original number so it's still 5.

**{[Redacted]}**9 months agoZero is everything and nothing

jeff Mccutcheon9 months agoWhat would happen if 1=2 and 0= infinity?

binh nguyen9 months agooh my god!!!!!

Đinh Đức Nhân9 months ago1:55

3*2=6*(1/2)=3

Such acceptable results of 6=3.

theo t9 months agoThe square root of 9 is 3 and -3. Why do we accept this possibility in that case but not when dividing by zero? Couldn't we just say that infinity times 1/0 is every number?

pratiyush prakash9 months agoI understood this. Please explain how 1+2+3+…. = -1/12. ?