Question
Let a function $f: A \rightarrow B$, where $A=\{1,2,3\}$ and $B=\{4,5,6\}$ such that $f(1) \neq 4$. Then find the number of one-one function between $A$ to $B$.
Step 1
We are given two sets $A=\{1,2,3\}$ and $B=\{4,5,6\}$ and a function $f: A \rightarrow B$. We are also given that $f(1) \neq 4$. We are asked to find the number of one-to-one functions from $A$ to $B$. Show more…
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