Here are seven regular expressions: 1. (0+10) 2. (0+10) 3. (0+10) 4. (0+1) 5. (0+1) 6. (0+10) 7. (0+1) Determine the language of each of these expressions. Then, find in the list below a pair of equivalent expressions. a) (0+1) and (0+10) b) (0+10) and (0+1) c) (0+10) and (0+1) d) (0+10) and (0+1)