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a√3=27
Determinati numarul a


Răspuns :

[tex]\mathrm{A \sqrt{3}=27} \\ \\ \mathrm{A= ^{ \sqrt{3})}\frac{27}{ \sqrt{3}}} \\ \\ \mathrm{Rationalizam,~amplificand~cu~ \sqrt{3}:} \\ \\ \mathrm{A= \frac{^9\not27 \sqrt{3}}{\not3}} \\ \\ \boxed{\mathrm{A=9 \sqrt{3}}}[/tex]