Задание
Даны множества \(\displaystyle A=\{3;\,5;\,7;\,9;\,11 \}\) и \(\displaystyle B=\{3;\,6;\,9;\,12 \} \small.\)
Найдите множество \(\displaystyle A \cup B\small.\)
- \(\displaystyle A \cap B=\{3;\,5;\,6;\,7;\,9;\,11; \,12 \}\)
- \(\displaystyle A \cup B=\varnothing\)
- \(\displaystyle A \cap B=\{3;\,9 \}\)
- \(\displaystyle A \cap B=\{3;\,6;\,9;\,12\}\)
- \(\displaystyle A \cap B=\{3;\,5;\,7;\,9;\,11\}\)