(1+(2i/n))^2 *(2/n)

can you show me the steps on how to distribute this

same as always

(1+(2i/n))^2 *(2/n)
(1 + 2(2i/n) + (2i/n)^2) * (2/n)
1(2/n) + 2(2i/n)(2/n) + (2i/n)^2(2/n)
2/n + 8i/n^2 + 8i^2/n^3