Combinations
From Why start at x, y, z
Is it \(_nC_r\) or \(^nC_r\)?[1]
More commonly used is the binomial coefficient notation \( \binom{n}{r}\).
Is it \(_nC_r\) or \(^nC_r\)?[1]
More commonly used is the binomial coefficient notation \( \binom{n}{r}\).
