dari soal di atas berapa hasilnya??

hasilnya= a.b⁻⁵
                ------
                c.d²

((a^-6 × b^3)/(c^2 × d^-5))^-1 × (a^-5 × b^-2)/(c^3 × d^-3) =
(a^(6-5) × b^(-3-2))/(c^(-2+3) × d^(5-3))
(a × b^(-5))/(c × d^2)
a/(b^5 × c × d^2)