Tolong jawab ya sama caranya

Tolong jawab ya sama caranya

Mapel : Matematika
Bab : Aljabar

$frac{a ^{2}b ^{3} c ^{4} }{ab^{4}c ^{2} } \ = (a ^{2 - 1} )(b ^{3 - 4} )(c ^{4 - 2} ) \ = a times b ^{ - 1} times c^{2} \ = a times frac{1}{b} times c ^{2} \ = frac{ac ^{2} }{b}$

Jawaban : D. ac²/b

Maaf Kalau Salah