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Qn #1619
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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
A.
$\frac{1}{2}(\vec{a} \times \vec{b})\vec{c}$
B.
$\frac{1}{2} |\vec{a} \times \vec{b} + \vec{b} \times \vec{c} + \vec{c} \times \vec{a}|$
C.
$\vec{a} \times \vec{b} + \vec{b} \times \vec{c} + \vec{c} \times \vec{a}$
D.
None of these
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❓ Question: Let $\vec{a}, \vec{b}, \vec{c}$ be the position ve... | TANCET Group Studies | Tancet Group Studies