Q.If $\vec{a}$ , $\vec{b}$ , $\vec{c}$ are three vectors such that $\vec{a} + \vec{b} + \vec{c} = \vec{0}$ , then $\vec{a} \times \vec{b} + \vec{b} \times \vec{c} + \vec{c} \times \vec{a} =$

\vec{0}

2(\vec{a} \times \vec{b})

\vec{a} \times \vec{b}

\vec{a} + \vec{b} + \vec{c}

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.If a⃗\vec{a}a, b⃗\vec{b}b, c⃗\vec{c}c are three vectors such that a⃗+b⃗+c⃗=0⃗\vec{a} + \vec{b} + \vec{c} = \vec{0}a+b+c=0, then a⃗×b⃗+b⃗×c⃗+c⃗×a⃗=\vec{a} \times \vec{b} + \vec{b} \times \vec{c} + \vec{c} \times \vec{a} = a×b+b×c+c×a=