Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calculeu el valor de _x_ perquè els vectors [u with rightwards arrow on top equals open parentheses x comma 4 close parentheses] i [v with rightwards arrow on top equals open parentheses negative x minus 1 comma x close parentheses] siguen LD. _x_=_____
Right answer summary: part 1: -2
Question state: todo