Let \(A = \{1, 4, 9\}\) and \(B = \{1, 3, 6, 10\}\text{.}\) Find each of the following sets.
\(\displaystyle A \cup B\text{.}\)
\(\displaystyle A \cap B\text{.}\)
\(\displaystyle A \setminus B\text{.}\)
\(\displaystyle B \setminus A\text{.}\)