Cara ngitungnya gimana yaa

C(5,3) x C(6,2)
= 5!/3!2! x 6!/2!4!
= (5x4x3!)/3!2! x (6x5x4!)/4!2!
=20/2! x 30/2!
= 10x15
= 150

5C3 . 6C2
= 5!/(5-3)!3! x 6!/(6-2)!2!
= 5!/2!3! x 6!/4!2!
= 5 . 4. 3!/2!3! x 6 . 5 . 4!/4!2!
= 20/2 x 30/2
= 10 x 15
= 150