I am rehearsing my skills with fractions, square roots and potencies. I have got a couple of problems and simplifications I'd like you to check and see if I am correct.
(first try with Latex...)
Ok another go...
I hope you can make out what I try to put in Latex language:
Note: Space in url, copy and paste recommended.
(I can't solve this one)
Problem 4 (another simplification)
All replies are welcome
EDIT: NOTE. Problem 4 is modified, I wrote it incorrectly
I'll add my solutions later, writing these problems took enough time.