Excel in math, science, and engineering

New user? Sign up

Existing user? Sign in

It might be obvious that \(2\sqrt { 2\sqrt { 2\sqrt { 2\sqrt { 2\sqrt { 2\sqrt { ... } } } } } } \) equals 4. So what about ...

too long; didn't read: there's something interesting going on, because proteins should take a trillion years to fold, but they do it in a few milliseconds. maybe evolution ...

The final stage of writing a solution: Legendary

Review the guidelines for a Magus.

Congrats on making it thus far. You should be able to engage your audience with a ...

Prove That

\[\sum_{r=1}^{n} \dbinom{n}{r} H_{r} = 2^{n}\left( H_{n} - \sum_{r=1}^{n} \dfrac{1}{r 2^r} \right) \]

Problem Loading...

Note Loading...

Set Loading...