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CBSE Class 12 Math 2023 Outside Delhi Set 1 Solved Paper

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Question : 23 of 38
Marks: +1, -0
If a,b,c\vec{a}, \vec{b}, \vec{c} are three non-zero unequal vectors such that ab=ac\vec{a} \cdot \vec{b} = \vec{a} \cdot \vec{c}, then find the angle between a\vec{a} and bc\vec{b} - \vec{c}.
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