Find the unit vector perpendicular to the plane ABC where the position vectors of A, B and C are $2 \hat{i} - \hat{j} + \hat{k}, \hat{i} + \hat{j} + 2 \hat{k}$ and 2 $\hat{i} + 3 \hat{k}$ respectively.

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Find the unit vector perpendicular to the plane ABC where the position vectors of A, B and C are

2 \hat{i} - \hat{j} + \hat{k}, \hat{i} + \hat{j} + 2 \hat{k}

and 2

\hat{i} + 3 \hat{k}

respectively.

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Question Text

Find the unit vector perpendicular to the plane ABC where the position vectors of A, B and C are

2 \hat{i} - \hat{j} + \hat{k}, \hat{i} + \hat{j} + 2 \hat{k}

and 2

\hat{i} + 3 \hat{k}

respectively.

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