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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Markscheme
1.8 Vectors Questions
36 exam-style questions on CCEA A Level Maths 1.8 Vectors, covering 1.8.1 Vectors, 1.8.2 Vectors, 1.8.3 Vectors, 1.8.4 Vectors, 1.8.5 Vectors, and 1.8 Vectors. Each one has a worked solution and a mark scheme showing where the marks go.