If `vec(A),vec(B)& vec(A)+vec(B)` are three non`-` zero vector.

preview_player
Показать описание
If `vec(A),vec(B)& vec(A)+vec(B)` are three non`-` zero vector. Such that `vec(A)+vec(B)` is perpendicular to `vec(B)` then which of one is correct `:`
Рекомендации по теме