Q: What does Undefined mean in maths?

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A term that is undefined mean simply that it is not defined. The prefix un means not, and if you add it to the word defined, ta da, you get undefined.

something is undefined when the answer simply doesn't exist. for example, what in the limit of sin(x) as x approaches infinity? Since the function sin(x) oscillates back and forth for eternity, there is no limit. You simply can't put a final point on something that never stop moving back and forth, so the answer is undefined.

A number divided by 0.

Undefined is defined. Define means to set the limits, explain. So, undefine means not to set limits or not to explain.

Undefined terms are numbers that con't be determined, like 1/0. Not to be confused with irrational numbers, though.

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A term that is undefined mean simply that it is not defined. The prefix un means not, and if you add it to the word defined, ta da, you get undefined.

An undefined symbol is where you make a reference to a symbol, but you have not yet declared and defined it.

something is undefined when the answer simply doesn't exist. for example, what in the limit of sin(x) as x approaches infinity? Since the function sin(x) oscillates back and forth for eternity, there is no limit. You simply can't put a final point on something that never stop moving back and forth, so the answer is undefined.

'Kirvlo' is as yet undefined.

A number divided by 0.

Undefined is defined. Define means to set the limits, explain. So, undefine means not to set limits or not to explain.

"Plutter" remains undefined in the English language.

Undefined terms are numbers that con't be determined, like 1/0. Not to be confused with irrational numbers, though.

I am not quite sure what you mean with "log you"; the log is calculated for numbers. The following logarithms are undefined: For real numbers: the logarithm of zero and of negative numbers is undefined. For complex numbers: the logarithm of zero is undefined.

Mathematical operations involving undefined are not permitted. So the answer is undefined.

What do you mean? Zero is a very well-defined number.

it means that there is no number that is equal to the euqation