Questão 3) - 1,00 ponto(s) Sejam u with rightwards arrow on top e v with rightwards arrow on top dois vetores tais que u with rightwards arrow on ...

Questão 3) - 1,00 ponto(s) Sejam u with rightwards arrow on top e v with rightwards arrow on top dois vetores tais que u with rightwards arrow on top space equals space open parentheses table row 1 2 3 end table close parentheses e v with rightwards arrow on top space equals space open parentheses table row cell negative 1 end cell cell negative 2 end cell cell negative 3 end cell end table close parentheses. Selecione o item que apresenta o correto valor de open vertical bar u with rightwards arrow on top cross times v with rightwards arrow on top close vertical bar.