What is the last term of #(2x+y)^20#? Precalculus The Binomial Theorem Pascal's Triangle and Binomial Expansion 1 Answer Bill K. Nov 13, 2015 #y^{20}# Explanation: The last term of #(a+b)^{n}# after expansion via the binomial theorem is #1*a^{0}*b^[n}=b^{n}# Answer link Related questions What is Pascal's triangle? How do I find the #n#th row of Pascal's triangle? How does Pascal's triangle relate to binomial expansion? How do I find a coefficient using Pascal's triangle? How do I use Pascal's triangle to expand #(2x + y)^4#? How do I use Pascal's triangle to expand #(3a + b)^4#? How do I use Pascal's triangle to expand #(x + 2)^5#? How do I use Pascal's triangle to expand #(x - 1)^5#? How do I use Pascal's triangle to expand a binomial? How do I use Pascal's triangle to expand the binomial #(a-b)^6#? See all questions in Pascal's Triangle and Binomial Expansion Impact of this question 2368 views around the world You can reuse this answer Creative Commons License