Question

rationalize the denominator 3 upon root 5​

Answer 1

Answer:

$= \frac{3}{ \sqrt{5} } \\ \\ = \frac{3 \times \sqrt{5} }{ \sqrt{5} \times \sqrt{5} } \\ \\ = \frac{3 \sqrt{5} }{5}$

Step-by-step explanation:

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Answer 2

$\frac{3}{ \sqrt{5} }$

We Notice, that the Rationalizing Factor is √5, as it makes the denominator rational.

$\frac{3}{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} } \\ = \frac{3 \sqrt{5} }{ \sqrt{5}^{2} } \\ = \frac{3 \sqrt{5} }{5}$

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