Linked Questions

-1
votes
6answers
214 views

What is the division of $1/0$? [duplicate]

It's approximate value, its infinite I know it but I want to know atleast the value upto $7$ decimal values.
5
votes
2answers
173 views

Dividing a number by zero [duplicate]

Why can't you divide a number by zero? It is possible to say $\sqrt{-1}$ is an imaginary number $i$, but why can't you say $\frac{1}{0}$ is also an imaginary number $z$ (for example)?
-5
votes
3answers
338 views

why can't we divide by zero ?! [duplicate]

in arabic sites which is interested in maths , i find many topics like ,here is a proof that 0=2 . and we answer that the proof is wrong as we can't divide by zero . but i really wonder , why ...
4
votes
2answers
631 views

Will Division by Zero be Defined Eventually? [duplicate]

Possible Duplicate: Division by $0$ I've always been inclined to believe that x/0 = NaN is a placeholder for a character or constant that no one has ...
1
vote
1answer
196 views

Division by zero [duplicate]

Possible Duplicate: Division by $0$ Everyone knows that $(x/y)\times y = x$ So why does $(x/0)\times 0 \ne x$? According to Wolfram Alpha, it is 'indeterminate'. What does this mean? ...
1
vote
2answers
115 views

Does dividing by zero ever make sense? [duplicate]

Good afternoon, The square root of $-1$, AKA $i$, seemed a crazy number allowing contradictions as $1=-1$ by the usual rules of the real numbers. However, it proved to be useful and ...
1
vote
1answer
232 views

$\frac 00=$ ? Why It is un answerable? [duplicate]

Possible Duplicate: Division by $0$ What will be the answer if zero$(0)$ divided by zero$(0)$ Why It is un answerable? $$\frac 00=\space ?$$ Thanks in Advance, Vicky
2
votes
5answers
121 views

Is $\frac 1 0$ undefined or equal to $\tilde{\infty}$? [duplicate]

Is $\displaystyle\frac 1 0$ undefined or equal to $\tilde{\infty}$? I know that $\displaystyle\lim_{x\to0}\frac 1 x=\tilde{\infty}$, how about $\displaystyle\frac 1 0$? Thank you. p.s. ...
1
vote
1answer
195 views

$\frac{-1}{0}$ is infinity or -infinity? [duplicate]

Possible Duplicate: Division by $0$ I was solving a question for my brother today when i got this doubt, i I arrived at the answer as $\frac{-1}{0}$ Will the answer be infinity since ...
-1
votes
2answers
91 views

What is the exact value of $1\over0$? [duplicate]

Possible Duplicate: Division by $0$ What is the exact value of $1\over0$? In $y=$ $1\over{x}$, it shows it is $\infty$ and $-\infty$ (infinite and minus infinite).
0
votes
1answer
183 views

Why is $\frac{x}{0}$ undefined? [duplicate]

Possible Duplicate: Division by $0$ The way I see things (and I know most will scoff) is some math doesn't align to common sense. Why does $x^{0}=1$? You are taking x zero times. Why not ...
0
votes
3answers
88 views

Why is dividing by zero = undefine. [duplicate]

I know that $ a\cdot\left(\frac1a\right)=1$ as long as $a$ is not $= 0$, but when we divide $(\frac a0)$ is $=$ we say it's undefined. why is it really undefined? what's the big conspiracy here.
1
vote
0answers
85 views

Zero divided by zero [duplicate]

I'm relearning mathematics by reading through What is Mathematics?. It begins by explaining the natural numbers, introducing the following property: $a.0=0$ To make $a$ the subject, I would divide ...
16
votes
5answers
2k views

How fundamental is the fundamental theorem of algebra?

Despite its name, its often claimed that the fundamental theorem of algebra (which shows that the Complex numbers are algebraically closed - this is not to be confused with the claim that a polynomial ...
20
votes
2answers
1k views

Is there a natural way to extend repeated exponentiation beyond integers?

This question has been in my mind since high school. We can get multiplication of natural numbers by repeated addition; equivalently, if we define $f$ recursively by $f(1)=m$ and $f(n+1)=f(n)+m$, ...

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