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Cite solutii are ecuatia Radical din 3 * x -3=0
a)In multimea R
b)In multimea Q


Răspuns :

√3*x-3=0 ⇒ √3x=3 ⇒ x=3/√3 ⇒ x=√3

a) √3∈R ⇒ ecuatia are o solutie in multimea R.

b) √3∉Q ⇒ ecuatia nu are nicio solutie in multimea Q.