1. (A+C')(A+B+C)
2. (A+B)(A+C')(B+C')
3. (A'+B')(A'+C)(B'+C)
4. (A'+C)(A'+B'+C')
5. (A+B)(A'+C)(B'+C)
   
   
   
   
   
   
   
   

4 is WRONG. Here's how to do it: 1. Draw a K-map for F. 2. Group 0-entries to obtain SOP expression for F' 3. Complement resulting expression to give a POS expression for F (SOP complemented yields POS)

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