Oblicz. a) 2 ⁴√81/16 - 3 ⁴√256/625 b) 6 ⁴√0,0625 - 3 ⁴√0,0081 c) ⁶√64 - ⁶√1/64 - ³√1/64 d) ⁶√1000000 + ⁸√256 Wykonaj działania. a) ( √3+2√2) (4√3 - √2) b) (5√2 - 2√10) ( -3√10 - 2√2) Pomocy !

[latex]2sqrt[4]{frac{81}{16}} - 3sqrt[4]{frac{256}{625}} = 2cdot frac{3}{2} - 3cdot frac{4}{5} = 3-frac{12}{5} = frac{3}{5}\6sqrt[4]{0,0625}-3sqrt[4]{0,0081}= 6cdot 0,5 - 3 cdot 0,3 = 3-0,9=2,1\ sqrt[6]{64}-sqrt[6]{frac{1}{64}} - sqrt[3]{frac{1}{64}} = 2-frac{1}{2}-frac{1}{4}=frac{5}{4}\ sqrt[6]{1000000}+sqrt[8]{258}=10+2=12[/latex]     [latex](sqrt{3}+2sqrt{2})(4sqrt{3}-sqrt{2}) = 12-sqrt{6}+8sqrt{6}-4=8+7sqrt{6}[/latex]   [latex](5sqrt{2}-2sqrt{10})(-3sqrt{10}-2sqrt{2})=-15sqrt{20}-20+60+4sqrt{20} = 40-11sqrt{20} = 40-22sqrt{5}[/latex]