The precise definition of limits

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The discussion centers on the confusion regarding the division by 2 in a mathematical context. Initially, a participant expresses uncertainty about the reasoning behind this operation. However, they later clarify their understanding, indicating that the confusion was resolved. The conversation highlights the importance of precise definitions in mathematics, particularly in relation to limits. Clear explanations are essential for grasping complex concepts like limits in calculus.
bobsmith76
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If you look at this text towards the very end they are dividing by 2. I don't see why.

Screenshot2012-01-22at35855PM.png
 
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never mind, I got it.
 

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