If a b are unit vectors such that ( a + b ) (2 a +3 b ) (3 a -2 b )=0 then angle between…
Mathematics · JEE Advanced · NTA Exams — Three Dimensional Geometry
If \(\vec{a} \& \vec{b}\) are unit vectors such that
\((\vec{a}+\vec{b}) \cdot(2 \vec{a}+3 \vec{b}) \times(3 \vec{a}-2 \vec{b})=0\) then angle between \(\stackrel{\rightharpoonup}{\mathrm{a}}\) and \(\overrightarrow{\mathrm{b}}\)
\((\vec{a}+\vec{b}) \cdot(2 \vec{a}+3 \vec{b}) \times(3 \vec{a}-2 \vec{b})=0\) then angle between \(\stackrel{\rightharpoonup}{\mathrm{a}}\) and \(\overrightarrow{\mathrm{b}}\)
- 0
- π/2
- π
- indeterminate
Answer
(D) indeterminate
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