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1 Unit AS 1: Pure Mathematics

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Question 330

The position vectors of A,B,C A,B,C\,A,B,C are 2i+j2\mathbf i+\mathbf j2i+j, 8i+4j8\mathbf i+4\mathbf j8i+4j and 5i−5j5\mathbf i-5\mathbf j5i−5j. Show that triangle ABC ABC\,ABC is isosceles.

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1 Unit AS 1: Pure Mathematics Questions

  1. A Level
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