Question

write the lowest rationalising factor of √13+3​

Answer 1

4

Answer:

the lowest rationalizing factor of

$\sqrt{13 + 3} = 4$

Step-by-step explanation:

$( \sqrt{13 + 3} )( \sqrt{13 - 3}) \\ = (\sqrt{13})^{2} - {3}^{2} \\ = 13 - 9 \\ = 4$

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Answer 2

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