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Scoateti factourul de sub radical la √189, √1029,√525
va rog mult


Răspuns :

√189=3√21
√1029=7√21
√525=5√21
[tex] \sqrt{189} = \sqrt{3*3*3*7} = 3\sqrt{21} \sqrt{1029}= \sqrt{3*7*7*7} = 7\sqrt{21} \sqrt{525} = \sqrt{5*5*3*7} = 5\sqrt{21} [/tex]