Question

срочно нужно
помогите

Answer 1

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