If a- - b- - c - a r e non-coplanar vectors- then a - b - c - c - a - b -b - a - C - c - a - b - is equal toa 0b 2c 1d none of these

(a) 0 We #160;havea #8594;.b #8594; #215;c #8594;c #8594; #215;a #8594;.b #8594; #160;+b #8594;.a #8594; #215;c #8594;c #8594;.a ...

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Vector Addition

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Question

If $\vec{a,} \vec{b,} \vec{c}$ are non-coplanar vectors, then $\frac{\vec{a} \cdot (\vec{b} \times \vec{c})}{(\vec{c} \times \vec{a}) \cdot \vec{b}} + \frac{\vec{b} \cdot (\vec{a} \times \vec{c})}{\vec{c} \cdot (\vec{a} \times \vec{b})}$ is equal to
(a) 0
(b) 2
(c) 1
(d) none of these

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