Rút gọn các biểu thức sau:
a.\(\sqrt{5.\left(1-2\right)^2}\)
b.\(\sqrt{27.\left(2-\sqrt{5}\right)^2}\)
c.\(\sqrt{\frac{2}{\left(3-10\right)^2}}\)
d.\(\sqrt{\frac{5.\left(1-\sqrt{3}\right)^2}{4}}\)
e.\(\sqrt{\frac{4}{9-4\sqrt{5}}}+\sqrt{\frac{9}{9+4\sqrt{5}}}\)