COMEDK · Physics · 1. Mathematics in Physics
The sides of a parallelogram are represented by vectors \(\mathbf{p}=5 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}\) and \(\mathbf{q}=3 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}-\hat{\mathbf{k}}\) Then, the area of the parallelogram is
- A \(\sqrt{684}\) sq units
- B \(\sqrt{72}\) sq units
- C 171 sq units
- D 72 sq units
Answer & Solution
Correct Answer
(A) \(\sqrt{684}\) sq units
Step-by-step Solution
Detailed explanation
Area of a parallelogram \(=|\mathbf{a} \times \mathbf{b}|\) where, \(\mathbf{a}\) and \(\mathbf{b}\) are sides of parallelogram.…
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