 Freshman's dream

In a commutative ring of characteristic $p$,Iteration gives $(x+y{)}^{p^n}=x^{p^n}+y^{p^n}$.

"Freshman's dream" can refer to a variety of interpretations, depending on the context. Generally, it may refer to the aspirations and ambitions of a college freshman as they embark on their new academic journey. These dreams often include: 1. **Academic Success**: Many freshmen dream of excelling in their studies and achieving good grades. 2. **Social Connections**: Building new friendships and finding a sense of belonging in a new environment is a common hope.