Because zero is nothing. The figure zero isn't actually a number - it's a place-filler. Dividing anything by nothing will always result in the answer infinity.
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Any number (apart from 0) divided by 0 is equal to infinity.
No. Zero multiplied or divided by anything is zero.
The answer remains infinity
Infinity means some non-zero value divided by zero. It was commonly written as 1/0
Division by zero is not "not defined". Division is the repeated subtraction of one thing from another, counting the number of times you subtract. If you divide 15 by 3 you get 5. You can also subtract 3 from 15 5 times. If you subtract zero from something, that something does not change, so you could say that anything divided by zero is infinity. (End of answer to question asked, but....) By definition, a positive number divided by zero is positive infinity, and a negative number divided by zero is negative infinity. Also, what "is" not defined is zero divided by zero. We call that indeterminate. However, its not quite that simple. For example, 2x / x when x = 0 is indeterminate, but the limit of 2x / x as x approaches zero is very determinant: it is 2