Question

спростити (-1//3AB^3)^3*81A^5B^4

Answer 1

$(frac{-1}{3ab^3})^3*81a^5b^4=-frac{1}{27a^3b^9}*81a^5b^4=\ -frac{81a^5b^4}{27a^3b^9}=-frac{3a^2}{b^5}$