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Alege raspunsul corect:
A) Multimea solutiilor ecuatiei
x²-7x+10=0,x∈R este:
a) {2} b) {5} c) {2;5} d) Ф
B) Ecuatia 3x²-x+2=0,x ∈R are:
a) o sg solutie reala
b)doua solutii reale
c)o infinitate de solutii reale
d)nu are solutii reale