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Scoateti factori de sub radical:a)√12 ;b)√75;c)√26


Răspuns :

a) √12 = √4 × √3 =  2√3

b) √75 = √3 × √25 = 5√3

c)   √26 = √2 × √13

√27 = √9 × √3 = 3√3

[tex] \sqrt{12} = 2 \sqrt{3} [/tex]
[tex] \sqrt{75} = 5 \sqrt{3} [/tex]
[tex]\sqrt{26}=radical 2 ×radical 13