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radical din 4.25 .....descompus

Răspuns :

√4,25=√425/100=√5²×17/100=(5√17)/10=0,5√17
[tex]\sqrt{4,25}=\sqrt{\frac{425}{100}}=\frac{\sqrt{5^2\cdot 17}}{10}= \frac{5\sqrt{17}}{10}=\frac{\sqrt{17}}{2}[/tex]