I'm a little confused as to how $(2n)!/(2n+2)!$ looks when written out. Basically I'm trying to visualise it so that I know how to cancel this and like terms in future.

2015年11月24日 · I found: (2n+2) (2n+1) Remembering that we can write: n! =n* (n-1)! we have (applying twice the above property to the numerator): ( (2n+2)!)/ ( (2n)!) = ( (2n+2) (2n ...

2017年12月9日 · There exist two electron spins possible for a single electron: m_s = pm1/2. From the Pauli Exclusion Principle, there can only be two electrons in the same orbital, without …

2015年9月15日 · There are two possibilities for what your spoken equivalent corresponds to: 2n 2 would be the most likely because the exponent operation takes precedence over the …

This number comes from 2(1 + 3 + … + 2n − 1) = 2n2 2 (1 + 3 + … + 2 n − 1) = 2 n 2. Possible spin states * number of orbital states for a shell with a dash of Pauli's exclusion principle.

It's been a long time since high school, and I guess I forgot my rules of exponents. I did a web search for this rule but I could not find a rule that helps me explain this case: $ 2^n + 2^n = 2^...

2015年1月27日 · Which one is right? The exercise is to show that

2015年12月24日 · Alkanes: CnH 2n+2; Alkene: CnH 2n; Alkyne: CnH 2n−2; Alkyl residue: CnH 2n+1; Aldehyde/ketone: CnH 2nO; Cycloalkane: CnH 2n A fully saturated hydrocarbon, an …

2017年2月8日 · How do you simplify the factorial expression (2n − 1)! (2n + 1)!?

2015年12月10日 · While there isn't a simplification of (2n)! n!, there are other ways of expressing it. For example