Giúp vs, làm câu nào cx đc, làm hết thì tốta) sqrt{17+12sqrt{2}}+sqrt{17-12sqrt{2}}b) sqrt{27-10sqrt{2}}+sqrt{18-8sqrt{2}}c) sqrt{3-sqrt{5}}.sqrt{8}d) dfrac{sqrt{2-sqrt{3}}}{sqrt{2}}.sqrt{8}e) dfrac{sqrt{15}-sqrt{5}}{sqrt{3}-1}+dfrac{5-2sqrt{5}}{2sqrt{5}-4}g) dfrac{3+2sqrt{3}}{sqrt{3}}+dfrac{2-sqrt{2}}{sqrt{2}-1}-left(sqrt{2}+3right)h) dfrac{sqrt[3]{135}}{sqrt[3]{5}}-sqrt[3]{54}.sqrt[3]{4}i) left(sqrt[3]{25}-sqrt[3]{10}+sqrt[3]{4}right).left(sqrt[3]{5}+sqrt[3]{2}right)k) sqrt[3]{left(4-2sqrt{3}r...
Đọc tiếp
Giúp vs, làm câu nào cx đc, làm hết thì tốt
a) \(\sqrt{17+12\sqrt{2}}+\sqrt{17-12\sqrt{2}}\)
b) \(\sqrt{27-10\sqrt{2}}+\sqrt{18-8\sqrt{2}}\)
c) \(\sqrt{3-\sqrt{5}}.\sqrt{8}\)
d) \(\dfrac{\sqrt{2-\sqrt{3}}}{\sqrt{2}}.\sqrt{8}\)
e) \(\dfrac{\sqrt{15}-\sqrt{5}}{\sqrt{3}-1}+\dfrac{5-2\sqrt{5}}{2\sqrt{5}-4}\)
g) \(\dfrac{3+2\sqrt{3}}{\sqrt{3}}+\dfrac{2-\sqrt{2}}{\sqrt{2}-1}-\left(\sqrt{2}+3\right)\)
h) \(\dfrac{\sqrt[3]{135}}{\sqrt[3]{5}}-\sqrt[3]{54}.\sqrt[3]{4}\)
i) \(\left(\sqrt[3]{25}-\sqrt[3]{10}+\sqrt[3]{4}\right).\left(\sqrt[3]{5}+\sqrt[3]{2}\right)\)
k) \(\sqrt[3]{\left(4-2\sqrt{3}\right)\left(\sqrt{3}-1\right)}\)
L) \(A=\sqrt[3]{10+14\sqrt{2}}+\sqrt[3]{10-14\sqrt{2}}\)
