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2. Introduceţi factorii sub radical a) 3√7. b)-5√5.c) 7√3. d) - 11√2​

Răspuns :

Răspuns:

a) 3√7= √7×3²= √7×9= √63

b) -5√5= -√5×5²= -√5×25 = -√125

c) 7√3= √3×7²= √3×49= √147

d) -11√2= -√2×11² = -√2×121 = -√242