3 public questions tagged with this topic.
From the definition, using formula we get 〈3, 2, 1〉. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 〈3, 2, 1〉.
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
The logic is straightforward: we verify 1 14, 2 14, 3 14 by full calculation: use standard identity, substitute, simplify step by step to reach 1 14, 2 14, 3 14.
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
In easy words, we verify -2 11 by full calculation: use standard identity, substitute, simplify step by step to reach -2 11.
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
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