razionaliza y simplifica

Answer:
a)
[tex] \frac{2 \sqrt{2} }{2} [/tex]
b)
[tex] \sqrt{5} + 1[/tex]
c)
[tex] \frac{ \sqrt[3]{9} }{3} [/tex]
Step-by-step explanation:
You will have to rationalize the dominator by finding the conjugate, which is
[tex] \sqrt{2} [/tex]
for the first problem.