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Q)
If the area of parallelogram, whose adjacent sides are $3 \hat{i} + 4 \hat{j}-\lambda \hat{k}$ and $2\hat{j} - 4 \hat{k}$ is $\sqrt{436}$ sq unit and $\lambda=0$, then $\lambda$ is equal to :
( A ) 1
( B ) 3
( C ) 0
( D ) 4
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