Homework SourseDetermine the 6th term in the binomial expansion of x4 2y9
Determine the 6th term in the binomial expansion of (x^4 + 2y)^9
Determine the 6th term in the binomial expansion of (x^4 + 2y)^9
Solution
Binomial expansion of
(x^4 + 2y)^9 = x^36 + 18x^32*y + 144x^28*y^2 + 672x^24*y^3 + 2016x^20*y^4 + 4032x^16*y^5 + 5376x^12*y^6 + 4608x^8*y^7 + 2304x^4*y^8 + 512y^9
6th term = 4032x^16*y^5
