a)\(\frac{\sqrt{5}+3}{\sqrt{2}+\sqrt{3+\sqrt{5}}}+\frac{3-\sqrt{5}}{\sqrt{2}-\sqrt{3-\sqrt{5}}}\)

b)\(\frac{\sqrt{5+\sqrt{3}}+\sqrt{5-\sqrt{3}}}{\sqrt{5-\sqrt{22}}}+\sqrt{11-6\sqrt{2}}\)

c)\(\sqrt{13+30\sqrt{2+\sqrt{9+\sqrt{2}}}}\)

d)\(\sqrt[3]{55-\sqrt{3024}}+\sqrt[3]{55-\sqrt{3024}}\)..

giải phương trình

a)\(\sqrt{2x+1}+\sqrt{x+4}+x=3\)

b)\(\sqrt{x^2+3}+\sqrt{2x^2-1}=\sqrt{3x+6}\)

c) \(\left|x\right|+\sqrt{2x^2+2x+1}+\sqrt{x^2-6x+9}=2x+1\)

rút gọn

a) \(\frac{7\sqrt{2}+2\sqrt{7}}{\sqrt{14}}-\frac{5}{\sqrt{7}+\sqrt{5}}\)

b) \(\frac{\sqrt{2}\left(3+\sqrt{5}\right)}{2\sqrt{2}+\sqrt{3+\sqrt{5}}}+\frac{\sqrt{2}\left(3-\sqrt{5}\right)}{2\sqrt{2}-\sqrt{3-\sqrt{5}}}\)

c) \(\sqrt[3]{16-8\sqrt{5}}+\sqrt[3]{16\text{ }+8\sqrt{5}}\)

helppp mee

rút gọn

a)\(\frac{\sqrt{1}+\sqrt{2}+\sqrt{3}+\sqrt{4}+\sqrt{5}}{\sqrt{1}+\sqrt{2}+\sqrt{3}+\sqrt{4}}\)

b)\(\sqrt{31+4\sqrt{35}+4\sqrt{7}+8\sqrt{5}}\)

giải phương trình

a)\(\sqrt{x-2}+\sqrt{x-3}=5\)

b)\(\sqrt{3x+5}+x=6+\sqrt{2x+11}\)

rút gọn

\(\frac{59}{\sqrt{3}+\sqrt{5}+\sqrt{7}}\)

giải phương trình sau

a) \(\sqrt{3x^2-9x+1}\)=x-2

b)\(\sqrt{x^2-2x+4}=\sqrt{2-x}\)