👤

Exercitiul 2 va rog.!!!!!!

Exercitiul 2 Va Rog class=

Răspuns :

a) |v|⁻¹=|-2√3|⁻¹=(2√3)⁻¹=1/2√3=√3/2×3=√3/6

b) u×v=4√6×(-2√3)=-8×3√2=-24√2

c) u:v=4√6:(-2√3)=-2√2

d) v³=(-2√3)³=-8×3√3=-24√3