(a)
| C1 | C2 | C3 | |
|---|---|---|---|
| C1 | (1,1, 1,1) | (1/4,2/7,2/5,1/2) | (1/7,2/13,2/11,1/5) |
| C2 | (2,5/2,7/2,4) | (1,1, 1,1) | (1/3,1/3,1/2,1/2) |
| C3 | (5,11/2,13/2,7) | (2,2, 3,3) | (1,1, 1,1) |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.