Відповіді АЛГЕБРА: 5.24-5.25

5.24

1) (x43 • 3x8)^–2 = (x43 • x83)^–2 = (x⁴)^–2 = x^–8

2) (4x : 5x3)^–20 = (x14 : x35)^–20 = (x14-35)^–20 = (x-720)^–20 = x⁷

5.25

1) (a47 • 7a3)^–3 = (a47 • a37)^–3 = a^–3

2) (4a5 : 3a)^–12 = (a54-13)^–12 = (a1112)^–12 = a^–11