Why do we have to include the abs of an even root

The video tutorial covers solving square root problems, focusing on breaking down expressions like sqrt(16) and sqrt(Y^4). It explains the process of finding square roots by rewriting terms and emphasizes the importance of absolute values when dealing with even roots and odd powers. The tutorial also addresses potential issues with negative values and concludes with a brief review of homework questions.

What new insight or understanding did you gain from this video?