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Aalexandra1216
a fost răspuns

Rationalizati numitorii a) 4/√3;5√2/√5;30/√50;√3/7;2√3/3√2;√4:1/2;√50/√2•3;
ajutatima Urgent.... dau coronita

Răspuns :

Capsunica35
4/√3=4√3/3
5√2/√5=5√10/5=√10
30/√50=30√50/50=3√50/5=3*5√2/5=15√2/5=3√2
√3/7=√3/7
2√2/3√2=2√2*√2/3*2=4/6=2/3
√4:1/2=√4*2/1=2√4=2*2=4
√50/√2*3=3√50*√2/2*2=3√100/4=30/4=15/2=7,5

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