Penjelasan dengan langkah-langkah:
f(a) = 2a × a - a!
f(4) = 2(4) × 4 - 4!
f(4) = ( 2 × 4 ) × 4 - ( 4 × 3 × 2 × 1 )
f(4) = 8 × 4 - ( 12 × 2 × 1 )
f(4) = 8 × 4 - ( 24 × 1 )
f(4) = 8 × 4 - 24
f(4) = ( 8 × 4 ) - 24
f(4) = 32 - 24
f(4) = 8
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Penjelasan dengan langkah-langkah:
f(a) = 2a × a - a!
f(4) = 2(4) × 4 - 4!
f(4) = ( 2 × 4 ) × 4 - ( 4 × 3 × 2 × 1 )
f(4) = 8 × 4 - ( 12 × 2 × 1 )
f(4) = 8 × 4 - ( 24 × 1 )
f(4) = 8 × 4 - 24
f(4) = ( 8 × 4 ) - 24
f(4) = 32 - 24
f(4) = 8