Question

HEY PLEASE HELP ME! :)
Find the first four terms in the expansion of (x^1/2+1)^30

Answer 1

use this :
30C0 (x^1/2)^30(1)^0 + 30C1 (x^1/2)^(30-1) (1)^1 +
30C2 (x^1/2)^(30-2) (1)^2 + 30C3 (x^1/2)^(30-3) (1)^3

calculate and simplify it

Answer 2

wait im confused do you think you can write it out on paper and attach it? im sorry and i understand if you cannot.

Answer 3

do know about combination ?

Answer 4

oh wait! i think i get it! but do i go all the way to thirty? thats whats confusing me?

Answer 5

no...:/

Answer 6

the general formula of combination is

do u know about factorial :)