Respuesta :

[tex]\bf \sqrt{18}~~ \begin{cases} 18=&2\cdot 3\cdot 3\\ &2\cdot 3^2 \end{cases}\implies \sqrt{2\cdot 3^2}\implies 3\sqrt{2}[/tex]

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Answer:

C. 3√2

Step-by-step explanation:

√18

= √(9 x 2)

= √9 x √2

= 3√2

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