Question
Let , and let * be a binary operation on defined by for all Show that has no identity element.
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Practice questions from similar books
Question 1
Let
and let * be a binary operation on A defined by
for
Then, with respect to * on A
Find the identity element in A
Find the invertible elements of A.Question Text | Let
, and let * be a binary operation on
defined by
for all
Show that
has no identity element. |