The vectors a=i+3j\mathbf a=\mathbf i+3\mathbf ja=i+3j and d=5i+kj\mathbf d=5\mathbf i+k\mathbf jd=5i+kj satisfy ∣d−a∣=25|\mathbf d-\mathbf a|=2\sqrt5∣d−a∣=25. Find kkk.
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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.