Question

Can anyone give me examples of rationalizing a denominator?

Answer 1

Have you tried khanacademy it'll show you examples n everything heres the link https://www.khanacademy.org/

Answer 2

it should have practice problems too

Answer 3

r u stuying trignometry

Answer 4

depends on the denominator
you got an example?

Answer 5

\[\frac{ a }{ \sqrt{b} } = \frac{ a * \sqrt{b} }{ \sqrt{b} * \sqrt{b} } = \frac{ a \sqrt{b} }{ b }\]

Answer 6

\[\frac{ a }{ 3 + \sqrt{b} } = \frac{ a *(3 - \sqrt{b} )}{ ( 3 + \sqrt{b})*(3 - \sqrt{b}) } = \frac{ 3a - a \sqrt{b} }{ 9 - b }\]

Answer 7

@DanJS gave u a very nice example :@dtan5457

Answer 8

\(\dfrac{1}{\sqrt{2} } = \dfrac{1}{\sqrt{2}} \times \dfrac{\sqrt 2}{\sqrt 2}
= \dfrac{\sqrt 2}{\sqrt{2 \times 2}} = \dfrac{\sqrt 2}{\sqrt 4} = \dfrac{\sqrt 2}{2}\)