A) \[\mathbf{a}\times \mathbf{b}+\mathbf{b}\times \mathbf{c}+\mathbf{c}\times \mathbf{a}\]
B) \[\frac{1}{4}(\mathbf{a}\times \mathbf{b}+\mathbf{b}\times \mathbf{c}+\mathbf{c}\times \mathbf{a})\]
C) \[\frac{1}{2}(\mathbf{a}\times \mathbf{b}+\mathbf{b}\times \mathbf{c}+\mathbf{c}\times \mathbf{a})\]
D) \[\mathbf{b}\times \mathbf{a}+\mathbf{c}\times \mathbf{b}+\mathbf{a}\times \mathbf{c}\]
Correct Answer: C
Solution :
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