GATE (TF) Textile 2019 Question Paper Solution | GATE/2019/TF/43

Question 43 (Textile Technology & Fibre Science)

Let $\vec{a} = \lambda \hat{i} -9\hat{j}-\hat{k}$ , $\vec{b}=3\hat{i}+3\hat{j}+\hat{k}$ and $\vec{c}=4\hat{i}+2\hat{j}+\hat{k}$ . The value of $\lambda$ for which the vector $\vec{a}$ is perpendicular to $\vec{b} \times \vec{c}$ is ___________.

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Question 43 (Textile Technology & Fibre Science)

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