Here are seven regular expressions: 1. (0*+10*)* 2. (0+10)* 3. (0*+10)* 4. (0*+1*)* 5. (0+1)* 6. (0+1*0)* 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+1*0)* b) (0*+10*)* and (0*+10)* c) (0+1)* and (0*+1*)* O d) (0+1*0)* and (0*+1*)*