nilai dari 4C(8,4) adalah

jawab

4 C(8,4) = 

= 4  [ 8 ! / (8-4)!. 4!) ]

= 4 [ 8 ! / 4! 4! ]

= 4 [ 8.7.6.5. 4!/ 4! . 4.3.2]

= 4 [8.7.6.5 / 4.3.2 ]

= 4 [ 2.7.5 ]

=  4 (70)

= 280