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Introduceti factorul sub radical:
[tex] \frac{2}{3} \sqrt{27}
a \sqrt{3} [/tex] ,a<0


Răspuns :

[tex] \sqrt{ \frac{2 ^{2} }{3 ^{2} } *a ^{2}*27*3 } = \sqrt{36a ^{2} } [/tex]