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CBSE Class 12 Math 2023 Delhi Set 3 Solved Paper

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Question : 6 of 12
Marks: +1, -0
If a⃗⋅i^=a⃗⋅(i^+j^)=a⃗⋅(i^+j^+k^)=1\vec{a} \cdot \hat{i} = \vec{a} \cdot (\hat{i}+\hat{j}) = \vec{a} \cdot (\hat{i}+\hat{j}+\hat{k}) = 1, then a⃗\vec{a} is
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