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I learnt the mathematical theory behind why we are unable to divide by zero

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i learnt what a multiplicative inverse is

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i knew before the video that you could not divide by zero as zero is nothing so you will be dividing something by nothing.

i learnt that zero has no multiplicative inverse and so you cannot divide by zero.

multiplicative inverse.

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1. Before watching the video, I knew that 0 divided by 0, the answer is undefined.

2. I learnt that a multiplicative inverse is present in all whole numbers.

3. I learnt a new term: multiplicative inverse.

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• Riemann Sphere

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• I learnt what a multiplicative inverse is.

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• I knew we couldn't divide by zero but i've never thought of the meaning behind it

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I learnt what a multiplicative inverse is

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I learnt that we cannot divide by zero because it has no mutiplicative inverse

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I knew that we cannot by zero as it would always end up with zero

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I knew that we cannot by zero as it would always end up with zero

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What new terms (e.g. vocabulary) I learnt from the clip.

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What new terms (e.g. vocabulary) I learnt from the clip.

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I learnt a new term multiplicative inverse as well as Riemann Sphere

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What I learnt about the concept after watching the video. 

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What I learnt about the concept after watching the video. 

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I learnt the concept that whole numbers have a multiplicative inverse. I also learnt that infinity is not a number ♾

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After the video I realised after dividing by 0 the result will only result in infinity so no answer is obtained

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After the video I realised after dividing by 0 the result will only result in infinity so no answer is obtained

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I knew before the video that it would give you math error

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I knew before the video that it would give you math error

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I knew that we could not divide by 0 already before watching the video. However I did not know the reason. I learnt about the multiplicative inverse of numbers which is 1 but 0 has no multiplicative inverse. I also learnt about riemann sphere.

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I knew that on the calculator, we could not divide any number  by 0 as we would get an math error

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I knew that you cannot divide by zero as this will result in a math error on the calculator

Zero doesn't have a multiplicative inverse

multiplicative inverse

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What i knew at first
-At first, i knew that you could not divide by zero but i did not know why
What I learnt about the concept
- I learnt that you cannot divide by zero as it, judging from trends, should be infinity, yet x/0=infinity would not make sense in our world of math
What new terminologies I have learnt
- Multiplicative inverse
-Riemann sphere

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- At first, I already knew that when you put x/0 into a calculator, it will either come back with a math error or infinity
- Now I know that the reason I cannot divide by zero is that 1/0 does not exist, or that 0 does not have a multiplicative inverse
- Terms I learnt: Multiplicative inverse, Riemann Sphere

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I knew that you could not divide by zero

I learnt that 0 does not have a multiplicative inverse

Multiplicative inverse

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I learnt what multiplicative inverse is and I think it is an interesting term

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I learnt what a multiplicative inverse is and that zero has no multiplicative inverse. If it does any number can be equal to zero.

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Before watching the video I knew that u could not divide by zero because it just doesn’t make sense. Dividing a number into no equal parts doesn’t make sense

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I knew that dividing a number by another e.g x/y = the no. of parts of y that x can be split into, therefore if y = 0, then x will be split into 0 parts, which doesn't make sense
I learnt what a multiplicative inverse is
Multiplicative Inverse, Riemann Sphere

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Before. I already knew that dividing a number by 0 is impossible, as I have typed the wrong number into my calculator numerous times, however, I did not know why it was so.

After watching the educational Ted-ed animation above, I found out that we could not divide by zero since we would have to find the multiplicative inverse of 0, which does not exist as anything multiplied by 0 will be 0.

Multiplicative Inverse, Riemann Sphere

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I learnt about the multiplicative inverse

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u cannot take the value 0 out of a numeral hence making the equation endless and impossible

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I thought that u could divide a number by 0 and get a result of 0 since 0 has no value and hence when u divide a number by 0, the number will not be able to be divide into a 0 and hence the answer would be 0.

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1. I knew that dividing by 0 is impossible
2. I learnt that dividing by 0 is impossible because it has no multiplicative inverse
3. multiplicative inverse

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Before watching the video, I knew that we could not divide by zero but I did not know the reason behind it.

I learnt that a number when divided by its multiplicative inverse is 1.

Riemann sphere

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- I already knew dividing 0 in a calculator would give an error

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- I already knew dividing 0 in a calculator would give an error

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- I learnt that even in the most bizzare circumstances, like infinity is 1, dividing by 0 is impossible as the answer should be 1
-Multiplical Inverse

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Multiplicative inverse and Riemann. Sphere is the new term I learned

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Multiplicative inverse and Riemann. Sphere is the new term I learned

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The multiplicative inverse of a number is 1/the number

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The multiplicative inverse of a number is 1/the number

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I learnt what a multiplicative inverse is

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I learnt what a multiplicative inverse is

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Before watching the video I knew that you could not divide by zero

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Before watching the video I knew that you could not divide by zero

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Concept I learnt after watching the video:

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Concept I learnt after watching the video:

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I learnt the reason why 0 is not being able to be divided by 0, even if you try to reason it out in a different way, treating a number multiplying by 0 as infinity, it will not work.

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After watching the video, I learnt these new terms:

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After watching the video, I learnt these new terms:

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I learnt about the multiplication inverse and basically the multiplication inverse of 9 is 1/9 and 18 is 1/18 and so on.

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I only knew that 0÷0 is impossible and just memorized it without knowing why.

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Before the video, I thought  diving by 0 would probably give you the same number.

We can’t divid by zero because the multiplicative inversely will be 1/0

I learnt that there maybe such thing as infinity

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What new terms have I learnt from the clip

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What new terms have I learnt from the clip

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- Multiplicative inverse
- Riemann's Sphere
- The square root of -1 is i
- Distributive property

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What I learnt about the concept after watching the video:

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What I learnt about the concept after watching the video:

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I learnt that something that is divided by a number that tends towards 0 will tend towards infinity. 0 cannot be divided by anything as there is no multiplicative inverse. For example, the multiplicative inverse of 10 is 1/10 as 10 x 1/10 is 1. So in theory, the multiplicative inverse of 0 is 1/0. So 0 x 1/0 should theoretically be equivalent to 1, but anything multiplied by 0 is equivalent to 0, hence there is a problem there. Another problem is that if for example: Let's say that infinity is the multiplicative inverse of 0, so that means that (0 x ∞) = 1
that means that (0 x ∞) + (0 x ∞) = 2
but if we simplify that it will become 0 x ∞ which we have already established that it is equal to 1. Hence that is the next problem.

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I knew that nothing could be divided by 0 and that on the calculator, the text 'Math Error' would appear if I tried to do it on a calculator.

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• I already knew that we couldn't divide by 0, but I didn't know why.
• I learnt what a multiplicative inverse is.
• multiplicative inverse, riemann sphere.

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The new term I learnt from the video is multiplicative inverse.

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The new term I learnt from the video is multiplicative inverse.

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I learnt that a number divided by its multiplicative inverse is one.

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I learnt that a number divided by its multiplicative inverse is one.

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I knew that zero could not be divided by zero before watching the video.

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I knew that zero could not be divided by zero before watching the video.

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You can't divide by zero because zero has no multiplicative inverse.

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You can't divide by zero because zero has no multiplicative inverse.

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What I knew before the video:
Calculators will give a math error when dividing by 0
What concept I learnt:
Math rules can be broken and 0 is not possible to divide in our math world
What new terms I learnt from the clip:
i (tho I still have no idea what it means)

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When you divide a number by zero it will be a mathematical error on the calculator as when a number is divided by zero it will be divided into zero equal parts

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We cant divide by zero as if we do try to on a calculator, it will say math error meaning it cannot find a solution. and if we divide a number by zero, it wont give us a number as youre splitting that number into zero parts

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What new terms (e.g. vocabulary) I learnt from the clip.

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What new terms (e.g. vocabulary) I learnt from the clip.

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I learnt the terms "multiplicative inverse" and "distributive property".

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What I learnt about the concept after watching the video. 

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What I learnt about the concept after watching the video. 

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I learnt about multiplicative inverse numbers and that 0 has no multiplicative inverse as anything multiplied by 0 equates to zero.

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-When you divide by zero, math error appears on the calculator.
-You cannot divide by zero because mathematically, dividing by zero equates to splitting a number into zero equal parts, which is impossible.

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Post your thoughts under your index number

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Post your thoughts under your index number

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What I knew before watching the video.

What I learnt about the concept after watching the video.

What new terms (e.g. vocabulary) I learnt from the clip.

https://www.youtube.com/watch?v=NKmGVE85GUU