Let \( \mathrm{Y}=\left\{n^{2}, n \in \mathbf{N}\right\} \subset \m... VIDEO
Let \( \mathrm{Y}=\left\{n^{2}, n \in \mathbf{N}\right\} \subset \mathbf{N} \). Consider \( f: \mathbf{N} \rightarrow \mathrm{Y} \) as \( f(n)=n^{2} \). Show that ' \( f \) ' is invertible. Find the inverse of ' \( f \) '.https://bit.ly/YTAI_PWAP https://www.pw.live/
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