Question

ПОМОГИТЕ ПОЖАЛУЙСТА
1)4.5*а^4*х^-3*у^-2*2а^-4*х^3*у^5
2)(m^2*n^3-mn)^2

Answer 1

$4.5 {a}^{4} {x}^{ - 3} {y}^{ - 2} \times 2 {a}^{ - 4} {x}^{3} {y}^{5} = 9 {y}^{3} \\ \\ ( {m}^{2} {n}^{3} - mn)^{2} = {m}^{4} {n}^{6} - 2 {m}^{3} {n}^{4} + {m}^{2} {n}^{2}$