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sCOATETI FFACTORI DE SUB RADICAL
[tex] \sqrt{72} [/tex]
b)[tex] \sqrt{48} [/tex]
c)[tex] \sqrt{75} [/tex]
d)[tex] \sqrt{90} [/tex]
e)[tex] \frac{ \sqrt{54} }{3} [/tex]


Răspuns :

√72=6√2
√48=4√3
√75=5√3
√90=3√10
√54/3=3√6/3=√6
ca sa scoti de sub radical descompui fiecare numar in factori primi si apoi scoti de sub radical
72=2.2.2.3.3=2.(2.2)(3.3)
√72=2.3√2=6√2