JEE MAIN - Mathematics Hindi (2024 - 1st February Morning Shift - No. 8)
यदि $\overrightarrow{\mathrm{a}}=-5 \hat{i}+\hat{j}-3 \hat{k}, \overrightarrow{\mathrm{b}}=\hat{i}+2 \hat{j}-4 \hat{k}$ और
$\overrightarrow{\mathrm{c}}=(((\overrightarrow{\mathrm{a}} \times \overrightarrow{\mathrm{b}}) \times \hat{i}) \times \hat{i}) \times \hat{i}$ हो। तब $\vec{c} \cdot(-\hat{i}+\hat{j}+\hat{k})$ का मान क्या है :
$\overrightarrow{\mathrm{c}}=(((\overrightarrow{\mathrm{a}} \times \overrightarrow{\mathrm{b}}) \times \hat{i}) \times \hat{i}) \times \hat{i}$ हो। तब $\vec{c} \cdot(-\hat{i}+\hat{j}+\hat{k})$ का मान क्या है :
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