CBSE 2023 · Region 1 · Set 3 · Q18 · 1 mark
For what value of $\displaystyle \lambda$, the projection of vector $\displaystyle \hat{i}+\lambda \hat{j}$ on vector $\displaystyle \hat{i}-\hat{j}$ is $\displaystyle \sqrt{2}$ ?
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle -1$
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.