Odpowiedź:
zad 3
a) 4(√13)² = 4 * 13 = 52
b) (5/6√3)² = (5/6)² * (√3)² = 25/36 * 3= 25/12 = 2 1/12
zad 4
7/2√2 = 7√2/(2√2 * √2)= 7√2/(2 * 2) = 7√2/4
zad 5
(∛√16)⁶ = (∛4)⁶ = (∛4)³ * (∛4)³= 4 * 4 = 16