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function

The point is a removable discontinuity. For this kind of discontinuity:

The one-sided limit from the negative direction:

and the one-sided limit from the positive direction:

at both exist, are finite, and are equal to In other words, since the two one-sided limits exist and are equal, the limit of as approaches exists and is equal to this same value. If the actual value of is not equal to then is called a '.

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