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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  3-D Geometry
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Q)

The equation of the plane containing the lines $\overrightarrow r=\overrightarrow a_1+\lambda\overrightarrow b\:\:and\:\:\overrightarrow r=\overrightarrow a_2+\mu\overrightarrow b$ is ?

$\begin{array}{1 1} (a)\:\overrightarrow r.(\overrightarrow a_1-\overrightarrow a_2)\times\overrightarrow b=[\overrightarrow a_1\:\overrightarrow a_2\:\overrightarrow b]\:\qquad\:(b)\:\overrightarrow r.(\overrightarrow a_2-\overrightarrow a_1)\times\overrightarrow b=[\overrightarrow a_1\:\overrightarrow a_2\:\overrightarrow b]\:\qquad\:(c)\:\overrightarrow r.(\overrightarrow a_1+\overrightarrow a_2)\times\overrightarrow b=[\overrightarrow a_2\:\overrightarrow a_1\:\overrightarrow b]\:\qquad\:(d)\:none \:of\:these \end{array} $</p

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