vectors-m

Question: If vertices of a triangle are $A(1,\,-1,\,2),\,B(2,\,0,\,-1)$ and $C(0,\,2,\,1),$ then the area of a triangle is



1) $\sqrt{6}$
2) $2\sqrt{6}$
3) $3\sqrt{6}$
4) $4\sqrt{6}$
Solution: Explanation: No Explanation
Vector Product Cross Product of two vectors

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