Question

 срочно нужно
помогите

Answer 1

$(5sqrt[3]{6sqrt{32}}-11sqrt[6]{18}})^3=(5sqrt[3]{24sqrt{2}}-11sqrt[6]{18}})^3= \ =(5sqrt[3]{8*3sqrt{2}}-11sqrt[6]{18}})^3=(5*2sqrt[3]{sqrt{18}}-11sqrt[6]{18}})^3= \ =(10sqrt[6]{18}-11sqrt[6]{18}})^3=-(sqrt[6]{18}})^3=-sqrt{18}}=-3sqrt2$