1) Shade B' - A'
2) Shade (A - B)'
3) Shade A' U B'
4) Shade B - A'
5) Shade A - B'
6) Shade A n B'
![1 Shade B A2 Shade A B3 Shade A U B4 Shade B A5 Shade A B6 Shade A N B class=](https://ph-static.z-dn.net/files/d4c/d5f4d5277fe75ca10a62a4c9cd790010.jpg)