The following is the group table of a group whose elements are , where is the identity:
(a) Express each of the following elements in terms of one element from .
(b) Find all elements such that . Enter N if no such element exists.
(c) Find all elements such that . Enter N if no such element exists.
(d) Find all elements such that . Enter N if no such element exists.
You can earn partial credit on this problem.