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Q)

For any vector $\overrightarrow{a}$, the value of $(\overrightarrow{a} \times \hat{i})^2+ (\overrightarrow{a} \times \hat{j})^2 + ( \overrightarrow{a} \times \hat{k})^2$ is equal to :


( A ) $3 \overrightarrow{a}^2$
( B ) $ \overrightarrow{a}^2$
( C ) $4 \overrightarrow{a}^2$
( D ) $2 \overrightarrow{a}^2$

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