If $\hat{i}-2 \hat{j}+3 \hat{k}$,$2 \hat{i}+3 \hat{j}+\hat{k}$,and $-3 \hat{i}-\hat{j}-2 \hat{k}$ are the position vectors of three points $A$,$B$,and $C$ respectively,then $A$,$B$,and $C$

  • A
    are collinear points
  • B
    form an isosceles triangle which is not equilateral
  • C
    form an equilateral triangle
  • D
    form a scalene triangle

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