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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 3 · Q2
The unit vector perpendicular to the vectors i - j and i + j is
The unit vector perpendicular to the vectors $\displaystyle \hat{\mathrm{i}}-\hat{\mathrm{j}}$ and $\displaystyle \hat{\mathrm{i}}+\hat{\mathrm{j}}$ is
Official answer
(A)
$\displaystyle \hat{\mathrm{k}}$
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