Let
with the following table.

























a. Is the binary operation
b. Determine whether there is an identity element in
c. If there is an identity element, which elements have inverses?
(a)
Whether the binary operation
Given Information: The set
Formula Used:
A binary operation
Explanation: Consider the given table
(b)
Whether there is an identity element in
(c)
Whether there is an inverse element of
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