What happens when you divide by zero
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What happens when you divide by zero

[From: ] [author: ] [Date: 12-07-01] [Hit: ]
I dont mean paper wise.-What is 7*0?It is zero, right?What is 3*0?It is also zero,......
What are the physical consequences of it, I don't mean paper wise.

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What is 7*0? It is zero, right?
What is 3*0? It is also zero, right?

Since these are both equal to zero, we can set them equal to each other, so:

7*0 = 3*0

Now, let's do some algebra to both sides of the above "=", say, let's divide by zero, and see what happens:

7*0 = 3*0            given

7*0 = 3*0
----     ----             divide both sides of "=" by zero
 0        0

7    =   3              The zero's cancel out, and we are left
                           with 7 = 3. That's a cool trick!


Here's another one. Let a=b. Then:

a=b...............................Give…
a²=ab............................Multi…‡ both sides of "=" by a
a²-b² = ab-b²..................Subtract b² from both sides of "="
(a+b)(a-b) = b(a-b)........Factor both sides of "="
a+b = b..........................Divide both sides of "=" by (a-b)
b+b = b..........................We supposed a=b
2b = b
2=1.................................Di… both sides of "=" by b

We got this result because we divided by zero. (Check above: (a-b)= 0).


So, you see, mathematical havoc is unleashed when one divides by zero. This is why mathematicians frown on the procedure.

alice

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Physical consequences?

There are none, not unless you're a Platonist.

Zero is a mathematical concept, so is division. Division doesn't make sense when done by zero. That's really all there is to it.

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You only will have the ability to travel faster than the speed of light. You will then eventually manage to control time, along with peoples minds and control how the world works.

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Nothing happens, although not literally. For example, the things that would have happened carry on happening.

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It means it doesn't work in real life. Say I take nothing from your 25 pizzas until you have nothing, how many zeros can I take from your 25 pizzas until you have nothing left.

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Your math teacher will yell at you.

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If you try it on your calculator, it will spontaneously combust!

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You'll accidentally the whole uni-

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allah gets angry

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The world will explode
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