How to find the third term of the binomial expansion

The video tutorial explains the process of binomial expansion, focusing on the first, second, and third terms. It highlights the importance of raising the first term to the highest power and introduces Pascal's triangle for multiplication. The tutorial concludes with simplifying the expression and understanding the results.

Explain the significance of Pascal's triangle in the context of this polynomial expansion.

What is the simplified form of the third term in the expansion?