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Are undefined numbers real numbers?

In: Mathematical Analysis, Numbers [Edit categories]

Answer:

By its very name .. it is UNDEFINED.
Even in the Extended Real Number set containing +-infinity these elements are UNDEFINED.

First answer by ID1261161082. Last edit by ID1261161082. Question popularity: 2 [recommend question].

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Can undefined number be real numbers?
Not if they are undefined in the sense of a number divided by zero.
What number is a real number and a irrational number?
An irrational number is a number that doesn't stop and doesn't have a pattern.. Ex: 3.144734349...A real number is when you add 0 to whole number (1,2,3,4...)
Is a negative number a real number?
Yes it is.
Are all numbers real numbers?
There are mathematical concepts that mathematicians call "imaginary numbers" these are a multiple of the square root of minus 1. Infinity is not a real number either.
Is infinite number real number?
It is more so an expression that numbers never end. But it can be used as a number.