How can I write the symbol of ”combinations of #n# things taken #k# at a time”?
I am familiar with the notation #C_n^k# , but I noticed that most people on Socratic use this kind of notation:
I am familiar with the notation
1 Answer
Jun 3, 2015
Here's how that would look
- Without the hashtags
( (n), (k) )
- With the hashtags
It's the same notation you use to write matrices
More examples here:
http://socratic.org/questions/how-to-write-matrices-on-socratic?source=search