Question

Va rog rapid pct 6 doar,dau coroana.:)

Answer 1

a)x apartine {-4/7, 4/7}

b)x apartine {-11/3, 11/3}

c)x apartine multimii vide

d)x apartine {-41/9,41/9}

e)x=0

f)x apartine {-3,3}