Rationalize the denominator of the fraction below. What is the newdenominator?

Bahadir Arslan asked Sep 4, 2023

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19 votes

$Rationalize the denominator of the fraction below. What is the newdenominator?-example-1$

Bahadir Arslan asked Sep 4, 2023

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19 votes

To rationalize the denominator we have to multiply it by the conjugate, as follows:

$(3+√(6))(3-√(6))=3^2-(√(6)\rparen^2$

The latter considering the property (a-b)(a+b)=a^2-b^2.

Finally we have:

The the answer is D. 3

Georgy Pashkov answered Sep 9, 2023

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