Question: Let A=(-1,1,2) B=(-1,2,0) and C=(1,x,2).Consider the triangle ABC.For what value(s) of x is the area of the triangle ABC equal to 3?

Let A=(-1,1,2) B=(-1,2,0) and C=(1,x,2).Consider the triangle ABC.For what value(s) of x is the area of the triangle ABC equal to 3?

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