CBSE 2023 · Region 5 · Set 3 · Q13 · 1 mark
If $\displaystyle \overrightarrow{\mathrm{a}} \cdot \hat{\mathrm{i}}=\overrightarrow{\mathrm{a}} \cdot(\hat{\mathrm{i}}+\hat{\mathrm{j}})=\overrightarrow{\mathrm{a}} \cdot(\hat{\mathrm{i}}+\hat{\mathrm{j}}+\hat{\mathrm{k}})=1$, then $\displaystyle \overrightarrow{\mathrm{a}}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \hat{\mathrm{i}}$
Vector AlgebraProduct of Two VectorsApplymcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.