Question

how do you evaluate C(9,7)

Answer 1

P(9,7)/7!

Answer 2

9.8.7.6.5.4.3
------------
7.6.5.4.3.2.1

simplify to your hearts desire

Answer 3

C(n,k) can also be written:

\[C(n,k) = \frac{n!}{k!(n-k)!}\]

Answer 4

What's The Answer ? A) 181,440 B)72 C)36 D)63

Answer 5

please dont ask for an answer that you can work out for yourself ...

Answer 6

\[C(n,k) = \frac{n!}{k!(n-k)!}\]
\[C(n,k) = \frac{n!/(n-k)!}{k!}\]
\[C(n,k) = \frac{P(n,k)}{k!}\]

Answer 7

\[C(9,7) = \frac{9!}{7!(9-7)!} = \frac{9!}{7!2!} = \frac{7!*8*9}{7!2!} = \frac{8*9}{2}\]

Answer 8

Thanks (:
really Appreciate it..