It is given that
a=−5i+7j\mathbf{a} = -5\mathbf{i} + 7\mathbf{j}a=−5i+7j and b=4i+6j\mathbf{b} = 4\mathbf{i} + 6\mathbf{j}b=4i+6j.
Find 2a−3b2\mathbf{a} - 3\mathbf{b}2a−3b.
[2]
Markscheme
1.9 Vectors Questions
37 exam-style questions on WJEC A Level Maths 1.9 Vectors, covering 1.9.1 Vectors, 1.9.2 Vectors, 1.9.3 Vectors, 1.9.4 Vectors, and 1.9 Vectors. Each one has a worked solution and a mark scheme showing where the marks go.