If a ~b lie on a plane normal to the plane containing c ~d then, ( a b ) ( c d ) is equal…
Mathematics · JEE Advanced · NTA Exams — Three Dimensional Geometry
If \(\overrightarrow{\mathrm{a}} \& \overrightarrow{\mathrm{~b}}\) lie on a plane normal to the plane containing \(\overrightarrow{\mathrm{c}} \& \overrightarrow{\mathrm{~d}}\) then, \((\vec{a} \times \vec{b}) \cdot(\vec{c} \times \vec{d})\) is equal to
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Answer
(C) 0
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