like before
ok so I will just put the answers since it is long
13. (√3)/2
14. denomenator is rationalized
15. denomenatoor is rationalized
16. \(\frac{ \sqrt[3]{100x^{2}y^{2}} }{4y^2}\)
17. \(\frac{2x \sqrt[3]{18x^{2}yz^{2}} }{3z}\)
18. 8-3√6
19. \(\frac{x-2 \sqrt{xy}+y }{x+y}\)
20. 3x√2-4√(3xy)-3√(xy)+y√6
