Question

Se considera expresia E(x)
Va rog e urgentt​

Answer 1

Răspuns:

Explicație pas cu pas:

x^2 + 4x + 3 = (x + 3)(x + 1)

x^2 + 3x + 2 = (x + 1)(x + 2)

x^2 + 5x + 6 = (x + 2)(x + 3)

E(x) =  (x + 3)(x + 1)(x + 1)(x + 2)/(x + 2)(x + 3) = (x + 1)(x + 1) = (x + 1)^2 patrat perfect, deci ≥ 0 in conditiile date.