3 public questions tagged with this topic.
Understanding this is easy: we verify ^ - 1( 8/21 ) by full calculation: use standard identity, substitute, simplify step by step to reach ^ - 1( 8/21 ).
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
From the definition, after simplifying, x-a0=y-b0=z-c1 is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XI — Coordinate Geometry
We know that after simplifying, is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XII — Vectors and 3D Geometry
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