Represent the Boolean expression X + Y . Z' with the help of NOR gates only. - Sarthaks eConnect | Largest Online Education Community
![The answer key says this one is C. Neither E nor Z isomer. Why? Is it because you must have four different groups? : r/OrganicChemistry The answer key says this one is C. Neither E nor Z isomer. Why? Is it because you must have four different groups? : r/OrganicChemistry](https://i.redd.it/u7xu1fomhpp41.jpg)
The answer key says this one is C. Neither E nor Z isomer. Why? Is it because you must have four different groups? : r/OrganicChemistry
![Flexa NOR 1/2 varnostna ograja za uporabo z lestvijo in toboganom za postelje Nor postelje 190 cm - Interismo Flexa NOR 1/2 varnostna ograja za uporabo z lestvijo in toboganom za postelje Nor postelje 190 cm - Interismo](https://mw.nice-cdn.com/upload/image/product/large/default/nor-1-2-varnostna-ograja-za-uporabo-z-lestvijo-in-toboganom-za-postelje-nor-postelje-190-cm-1-st-2039520-sl.png)