Let A be a non-empty set and f.g:A→A be any functions such that fOg is the identity map of A. Then * g is one-to-one g is the identity map but f is not necessarily the identity map None of these f and...


Let A be a non-empty set and f.g:A→A be any<br>functions such that fOg is the identity map of<br>A. Then *<br>g is one-to-one<br>g is the identity map but f is not<br>necessarily the identity map<br>None of these<br>f and g are the identity maps<br>g is not necessary one-to-one<br>

Extracted text: Let A be a non-empty set and f.g:A→A be any functions such that fOg is the identity map of A. Then * g is one-to-one g is the identity map but f is not necessarily the identity map None of these f and g are the identity maps g is not necessary one-to-one

Jun 04, 2022
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