What are the coefficients for the binomial expansion of (p + q)6?

For the expansion of (p + q)^6, the coefficients come from the sixth row of Pascal’s triangle, or from the binomial coefficients C(6, k) for k = 0 through 6. These are 1, 6, 15, 20, 15, 6, 1, so the correct choice is B.

AI-written and checked against the verified answer.