Question

realize the denominator of

Answer 1

\[\sqrt{18\div}\sqrt{3}\]

Answer 2

sqrt18 * sqrt3 sqrt 54 sqrt(9*6) 3sqrt6
------------- = --------- = -------- = --------- =sqrt6
3 3 3 3

Answer 3

and also \[3\div6- \sqrt{5}\]

Answer 4

- for text of this exersice is right : ratzionalize the denominator

Answer 5

ok ?

Answer 6

3
---
6-sqr5

Answer 7

i need help with that one as well ^^^

Answer 8

- when in denominator is 6-sqrt5 how you will can ratzionalize it ?
- how you will get from 6-sqrt5 one square perfect ?
- you can multiply it by ... ?

Answer 9

3?

Answer 10

no

- you need to us formula a^2 -b^2 =(a-b)(a+b)

Answer 11

- so if (a-b)=6-sqrt5 than what will be (a+b)

Answer 12

would i multiply like this: