F = (a, 2), (b, 1), (c, 1) . - Vidyadip

Question

F = {(a, 2), (b, 1), (c, 1)}.

✓

Answer

F: S → T is defined as:
F ={(a, 2), (b, 1), (c, 1)}
Since F(b) = F(c) = 1, F is not one-one.
Hence, F is not invertible i.e., F^-1 does not exist.

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