Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: DOS VECTORS (A,B) I (C,D) SÓN PERPENDICULARS SI {ac+bd; ad-bc} = 0. DOS VECTORS (A,B) I (C,D) SÓN DEPENDENTS SI {ac+bd; ad-bc} ÉS NUL.
Right answer summary: part 1: ac+bd; part 2: ad-bc
Question state: todo