Why Can't I Divide by Zero?

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Submitted By Paulina
Words 750
Pages 3
Why can’t I divide by zero?

The explanation of why we cannot divide any number by zero is really easy. The three links contain different explanations, but eventually, they all come down to one. To begin, it is said that we students are told that a division by zero is undefined. And this, supposedly is not entirely true, but somewhat true, they tell us this because they, and we eventually cannot define an answer that would work. But in the other hand, if we are told that a division by zero equals to infinity, then that is entirely NOT true. Why? Because as the contents say, infinity is not a number, it is simply like a concept let’s say, because if it would be a number, there would be many contradictions, like the “collision” of our whole number system.

So, as mathematician Mahavira (9th century A.D.) said “A number remains unchanged when divided by zero.”, we can get to the simple and easy conclusion that a number cannot be divided by zero simply because, if you multiply that number by zero, the answer will ALWAYS be zero.

Now, in the case of 0/0=0, we may say that that is true because 0x0=0, and that may lead to us thinking or realizing that dividing by zero can give you a real number, but this is wrong. We must not confuse, as I said above, any number times zero will equal zero, so therefore the answer to 0/0 can be any number. And also, we must not forget that any number divided by that same number, will equal to one (1/1=1, 2/2=1,3/3=1..), so in that case of zero, 0/0 is definitely not 1.

Examples • 3x5=15. That is correct. Now let’s see what happens with zero. 0x5=0, 0x50=0 or 0x50000=0, and with that we can clearly see that any number by zero will equal to zero.

• 10/2=5. Now when we multiply the answer times de denominator, it will give us the numerator of the division: 5x2=10. So this applies to the same rule of the previous example of…...

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