Fsc Part 1 Mathematics (Complete Solution)
Q6
Supply the missing elements of the third row of the given table so that the operation may b * associative.
| * | a | b | c | d |
| a | a | b | c | d |
| b | b | a | c | d |
| c | - | - | - | - |
| d | d | c | c | d |
Solution:
the missing elements are:
| * | a | b | c | d |
| a | a | b | c | d |
| b | b | a | c | d |
| c | c | c | c | c |
| d | d | c | c | d |