Question

[balck rose]

Trục căn thức ở mẫu:
a,\(\frac{1}{\sqrt{2}-1}\)

b,\(\frac{2}{\sqrt{3}+1}\)

c,\(\frac{5}{\sqrt{7}-\sqrt{2}}\)

d,\(\frac{6}{2\sqrt{3}+\sqrt{2}}\)

e,\(\frac{1}{2\sqrt{a}+1}\)

g,\(\frac{2xy}{2\sqrt{x}+3\sqrt{y}}\)

h,\(\frac{x\sqrt{x}-1}{\sqrt{x}-1}\)

i,\(\frac{a-9b}{\sqrt{a}-3\sqrt{b}}\)

k,\(\frac{15-2\sqrt{5}}{3\sqrt{15}-2\sqrt{3}}\)

Answer 1

[💋Amanda💋]

https://i.imgur.com/yjikkJN.jpg