Tag : vector algebra
- If vec{OA} = 2vec{i}+5vec{j}-2vec{k} and vec{OB} = 3vec{i}+6vec{j}+5vec{k} then vec{AB} =
- If vec{a} = vec{i}+vec{j}+3vec{k} ; vec{b} = 2vec{i}+3vec{j}-5vec{k} then vec{a}.vec{b} =
- If vec{a} and vec{b} are mutually perpendicular then vec{a}.vec{b} =
- |2vec{i} - 3vec{j} + vec{k}| =
- The direction cosines of z-axis are-
- The position vector of the point (4, 5, 6) is
- vec{j} × vec{k} =
- vec{k} \cdot vec{k} =