Ex: Rationalize the Denominator of a Radical Expression - Conjugate

preview_player
Показать описание
This video provides two examples of how to eliminate a radical from the denominator of a rational expression by using the conjugate of the denominator.
Рекомендации по теме
Комментарии
Автор

I can't thank you enough, thanks so much for explaining this clearly to me. I have a huge test tomorrow and my book didn't explain what a conjugate was very well or how we rationalize denominators with square roots. Thank you thank you thank

pestyferk
Автор

the comment below me says exactly what I was thinking! thanks so sooo much for the explanation :) cheers!

Sizzy
Автор

Am I the only one who didn't get why he changed the -6 plus 2squareroot7 into -3 plus squareroot7 at 1:57? Like I get he cut them half but for what how can you just simplify one piece like that?

atzintriguerospavon
Автор

is there any with on with the same denominator

robertisham
Автор

at 2:12, where did the other 2 in the denominator went? hope someone can asnwer

ehjeehipolito