Question

Nomer 6 Aja :). Matematika Kelas 11 :)

Answer 1

6P2 ketua dan humas
4P2 bendahara dan sekertaris

6P2 × 4P2 / 10P4
= 6!/(6-2)! × 4!/(4-2)! / 10!/(10-4)!
= 6×5×4!/4! × 4×3×2!/2! / 10×9×8×7×6!/6!
= 6×5×4×3 / 10×9×8×7
= 1/14