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aratati ca( 2 supra radical din3 -1  )-radical 3 =1

Răspuns :


(2/rad3-1)-rad3=1
2-rad3-3=rad3
2rad3=-1

2/√3-1-√3=1   rationalizam cu √3+1
2(√3+1)-√3(√3+1)/3-1=
2√4-√3(√4)/2=
4-2√3/2=4-√3
verifica  nu sunt sigura daca am vre o greseala