\(\sqrt{8+2\sqrt{2}+2\sqrt{5}+2\sqrt{10}}\)=\(\sqrt{2+5+1+2\sqrt{2}+2\sqrt{5}+2\sqrt{2}\cdot\sqrt{5}}\)
=\(\sqrt{\left(\sqrt{2}+\sqrt{5}+1\right)^2}=\sqrt{2}+\sqrt{5}+1\)
\(\sqrt{8+2\sqrt{2}+2\sqrt{5}+2\sqrt{10}}\)=\(\sqrt{2+5+1+2\sqrt{2}+2\sqrt{5}+2\sqrt{2}\cdot\sqrt{5}}\)
=\(\sqrt{\left(\sqrt{2}+\sqrt{5}+1\right)^2}=\sqrt{2}+\sqrt{5}+1\)
rút gọn
\(\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
\(\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
Rút gọn Bt
Rút gọn biểu thức :
\(A=\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}.}\)
Rút gọn biểu thức sau
\(\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
Rút gọn biểu thức sau
\(A=\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
1. Rút gọn A= \(\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
2. Tính : \(\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+\sqrt{6+...}}}}}\)
Rút gọn biểu thức
\(2\sqrt{40\sqrt{12}}-2\sqrt{\sqrt{75}-3\sqrt{5\sqrt{48}}}\)
\(2\sqrt{5\sqrt{3}}-2\sqrt{8\sqrt{3}}-3\sqrt{20\sqrt{3}}\)
Help me plsssssss
Help me plssssssss
Rút gọn bt
\(a,A=\sqrt{8+\sqrt{8}+\sqrt{20}+\sqrt{40}}\)
\(b,B=\left(\frac{15}{\sqrt{6}+1}+\frac{4}{\sqrt{6}-2}-\frac{12}{3-\sqrt{6}}\right)\left(\sqrt{6}+11\right)\)
Rút gọn
\(2\sqrt{40\sqrt{12}}-2\sqrt{\sqrt{75}}-3\sqrt{5\sqrt{48}}\)
\(2\sqrt{8\sqrt{3}}-2\sqrt{5\sqrt{3}}-3\sqrt{20\sqrt{3}}\)