Question

What is the formula for P^c(n,r)

Answer 1

P(n,r)= n! /(n-r)!
C(n,r)= n! / r! (n-r)!
P^c(n,r)= P raised to power C(n.r)? (If so, you know C(n,r) ; raise P to power C(n,r))
P(A/B) = P(A ∩ B) / P(B)
Hope this helped :)