Learning to multiply two radicals together and then simplify

The video tutorial covers the process of simplifying radical expressions and applying operations, specifically multiplication. It emphasizes the importance of simplifying before and after applying operations. The teacher explains the identity element and the rule for multiplying radicals with the same index. A mistake in calculations is identified and corrected, reinforcing the learning process.

What is the significance of the identity element in radical expressions?

How do you handle different indices when multiplying radicals?