Performing Binomial Expansion for Positive Integers of n

The video tutorial explains binomial expansion for positive integers using Pascal's triangle and a calculator's n choose r function. It covers the process of expanding binomials, finding coefficients, and using a calculator for efficiency. The tutorial includes examples of specific expansions and finding particular coefficients, emphasizing the relationship between powers of a and b.

What are the coefficients for the expansion of (a + b)^6 using the calculator method?

How do you determine the r value when looking for a specific term in a binomial expansion?

What is the final coefficient of x^5 in the expansion of (3 - 4x)^8?