TheKingOfHack
Penjelasan dengan langkah-langkah:f(x) = x! + x!! + x!!!f(8) = 8! + 8!! + 8!!!f(8) = 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 + 8 x 6 x 4 x 2 + 8 x 5 x 2 f(8) = 56 x 30 x 12 x 2 + 32 x 8 + 40 x 2 f(8) = 1120 x 24 + 384 + 80f(8) = 40.320 + 464f(8) = 40.784