Determine the output of the given code snippet in Elixir.
[head | _] = [3,6,9] #line1
head * 2 #line2
_ * 3 #line3
Options
1.[6,12,18]
[9,18,27]
2.[3,6,9]
[3,6,9]
3.Compilation error at line 1
4.Compilation error at line 2
5.Compilation error at line 3
