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AB = B - A = (4,3,-6)- (2,0,-1) = (2 , 3 , -5)BC = C - B = (9,3,-4) - (4,3,-6) = (5, 0 , 2)
If perpendicular "AB dot BC" should equal zeroAB dot BC = (2,3,-5) dot (5,0,2) = (2x5) + (3x0) + ...

The Subjunctive in French is often described as a mood rather than a tense. There are many situations in which the subjunctive would be used in French where we would not consider it to be the correct way ...

As with many questions in economics A-level, I would start my answer with a paragraph explaining how under certain assumptions, an efficient allocation of resources can be achieved through the market mech...

Milgram (1963) conducted a social psychology experiment to investigate to what level individuals would be obedient to an authority figure. Participants arrived in pairs and he instructed them that the exp...

In English literature, an answer must be structured in a specific manner. The best way to do this is use the PEE method. This is point, evidence and explanation. If the question asks about how a certain t...