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Calculati a vector × b vector, stiind ca |a vector|=2 si |b vector|=3 si unghiul vectorilor a si b are masura [tex] \frac{ \pi }{3} [/tex]

Răspuns :

a×b(vector)=|a| × |b| × cos(a,b)=2×3×cosπ/3=6×1/2=3