(7!)/(4! x 3!)=...

35

Pembahasan

Perhitungan permutasi dan kombinasi:
(7!)/(4! x 3!) = (7 x 6 x 5 x 4 x 3 x 2 x 1) / ((4 x 3 x 2 x 1) x (3 x 2 x 1))
= (7 x 6 x 5) / (3 x 2 x 1)
= 7 x 5
= 35