Question The number of distinct real values of \( \lambda \), for which the vectors \( -\lambda^....

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Question
The number of distinct real values of \( \lambda \), for which
\( \mathrm{P} \)
the vectors \( -\lambda^{2} \hat{i}+\hat{j}+\hat{k}, \hat{i}-\lambda^{2} \hat{j}+\hat{k} \) and
W
\( \hat{i}+\hat{j}-\lambda^{2} \hat{k} \) are coplanar, is
(1) zero
(2) one
(3) two
(4) three


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