\(B=\sqrt{8-2\sqrt{5}-\sqrt{8+2\sqrt{5}}}\)
\(B=3,662841501-4,728708045\)
\(B=-1,653330227\)
\(B=\sqrt{8-2\sqrt{5}-\sqrt{8+2\sqrt{5}}}\)
\(B=3,662841501-4,728708045\)
\(B=-1,653330227\)
\(\frac{\sqrt{13+2\sqrt{11}}+\sqrt{13-2\sqrt{11}}}{\sqrt{13+5\sqrt{5}}}-\sqrt{3-2\sqrt{2}}\)
Giup minh voi
rút gọn
A=\(\frac{\sqrt{3}-\sqrt{6}}{1-\sqrt{2}}-\frac{2+\sqrt{8}}{1+\sqrt{2}}\)
B=\(\left(1-\sqrt{5}\right)\left(\frac{\sqrt{5}+5}{2\sqrt{5}}\right)\)
C=\(\sqrt{4+\sqrt{7}}\)+\(\sqrt{4-\sqrt{7}}\)
D=\(2\sqrt{8}-4\sqrt{\left(\sqrt{2}+1\right)^2}\)
giup minh nhe các bạn
\(\left(\sqrt{8}-3\sqrt{2}+\sqrt{10}\right)\sqrt{2}-\sqrt{5}\)
\(0,2\sqrt{\left(-10\right)^2\cdot3}+2\sqrt{\left(\sqrt{3}-\sqrt{5}\right)^2}\)
Rut gon giup minh. Cam on
Chứng minh :
\(A=\sqrt{8+2\sqrt{10+2\sqrt{5}}}+\sqrt{8-2\sqrt{10+2\sqrt{5}}}=\sqrt{2}+\sqrt{10}\)
Chứng minh rằng
\(A=\sqrt{8+2\sqrt{10+2\sqrt{5}}}+\sqrt{8-2\sqrt{10+2\sqrt{5}}}=\sqrt{2}+\sqrt{10}\)
Chứng minh \(\sqrt{8+2\sqrt{10+2\sqrt{5}}}+\sqrt{8-2\sqrt{10+2\sqrt{5}}}=\sqrt{2}+\sqrt{10}\)
giup dum minh voi nha cac ban :
\(\sqrt{4+\sqrt{5.\sqrt{3+5.\sqrt{48-10\sqrt{7+4\sqrt{3}}}}}}\)
Chứng minh:
\(\sqrt{\sqrt{5}-\sqrt{8-\sqrt{81-8\sqrt{5}}}}=\sqrt{2}\)
Chứng minh đẳng thức
\(\left(4-\sqrt{7}\right)^2=23-8\sqrt{7}\)
\(\sqrt{9-4\sqrt{5}}-\sqrt{5}=-2\)
\(\dfrac{\sqrt{4-2\sqrt{3}}}{1+\sqrt{2}}:\dfrac{\sqrt{2}-1}{\sqrt{3}+1}=2\)
\(\left(\dfrac{2\sqrt{3}-\sqrt{6}}{\sqrt{8}-2}-\dfrac{\sqrt{216}}{3}\right).\dfrac{1}{\sqrt{6}}=-1,5\)