Find the first 4 terms in the binomial expansion of 1 3x

Last updated: 6/21/2023

Find the first 4 terms in the binomial expansion of 1 3x Select one a 1 21x 189x 945x b 1 21x 189x2 945x c 1 21x 189x 2 945x 3 Od 1 21x 189x 945x