Răspuns :
a) Rationalizezi cu V2
(4V2-2*2)/(3*2) = 2(2V2-2)/6 = (2V2-2)/3 = 2(V2-1)/3
b) Rationalizezi cu 5+V7
12(5+V7)/(5²-V7²) = 12(5+V7)/(25-7) = 12(5+V7)/18 = 2(5+V7)/3 =
a) Rationalizezi cu V2
(4V2-2*2)/(3*2) = 2(2V2-2)/6 = (2V2-2)/3 = 2(V2-1)/3
b) Rationalizezi cu 5+V7
12(5+V7)/(5²-V7²) = 12(5+V7)/(25-7) = 12(5+V7)/18 = 2(5+V7)/3 =