Question #51696 Precalculus The Binomial Theorem Pascal's Triangle and Binomial Expansion 1 Answer sankarankalyanam Jan 28, 2018 Fifth term is # color(green)( 2160x^2y^4)# Explanation: It is 1 6 15 20 15 6 1 #a = 3x, b = -2y# Fifth term is # 15(3x)^2(2y)^4 = 2160x^2y^4# 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 1361 views around the world You can reuse this answer Creative Commons License