Can a limit exist even when individual functions fail?

Limits of combined functions: piecewise functions | AP Calculus AB | Khan Academy · 4:13 · Video: Khan Academy · Watch at the source

In short: Explore the surprising behavior of combined functions in this calculus lesson. Learn how the sum or product of two functions can still possess a limit, even in cases where the individual limits do not exist.

This video examines the behavior of limits when dealing with piecewise functions and combined mathematical operations. It focuses on the specific scenario where the limits of two separate functions at a particular point are non-existent, yet their sum or product remains mathematically stable.

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