إذا كان المتجهان stack A space with rightwards arrow on top equals 2 stack i space with overparenthesis on top plus j with hat on top space plus 2 k with hat on top comma space space space space stack B space with rightwards arrow on top equals 3 i with hat on top space plus 3 k with hat on top فإن حاصل الضرب الاتجاهي هو