Vector Algebra
RS Aggarwal
CBSE
Grade 12
Question:
Find area of parallelogram whose diagonals are $\vec{d}_1 = 3\hat{i} + \hat{j} - 2\hat{k}$ and $\vec{d}_2 = \hat{i} - 3\hat{j} + 4\hat{k}$.
Step-by-Step Solution
Key Concept: 1/2 |d1 x d2| = 5\sqrt{3} sq units.
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Correct Answer:
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