Which one is the relation between permutation and combination of \( n \) things taken \( r \) things at a time? A) \( C(n, r) = r! \times P(n, r) \)…
Class 12 Mathematics · 2082 · Solved Question with Answer
Which one is the relation between permutation and combination of \( n \)things taken \( r \) things at a time?
A) \( C(n, r) = r! \times P(n, r) \) B)\( C(n, r) \times r! = P(n, r) \)
C) \( C(n, r) \times r = P(n, r) \) D) \( C(n, r) = P(n, r) \times r \)