Solve any maths problem
Equations, derivatives, integrals, matrices, triangles, primes, statistics, or a word problem the tutor breaks into parts.
Step by step
- P(8,5) = \frac{8!}{(8-5)!}
Ordered selections: n!/(n−k)!.
- = \frac{40320}{6} = 6720
Reveal the answer
P(8,5) = 6720