NIMCET 2013

Question

Let $\vec{a}, \vec{b}, \vec{c}$ be the position vectors of three vertices A, B, C of a triangle respectively then the area of this triangle is given by

Accepted Answer

$\frac{1}{2} |\vec{a} 	imes \vec{b} + \vec{b} 	imes \vec{c} + \vec{…

Answer

$\frac{1}{2}(\vec{a} 	imes \vec{b})\vec{c}$

Answer

$\vec{a} 	imes \vec{b} + \vec{b} 	imes \vec{c} + \vec{c} 	imes \ve…

Answer

None of these

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