OCR FP1 2014 June — Question 1

Exam BoardOCR
ModuleFP1 (Further Pure Mathematics 1)
Year2014
SessionJune
Topic3x3 Matrices

1 Find the determinant of the matrix \(\left( \begin{array} { r r r } a & 4 & - 1
3 & a & 2
a & 1 & 1 \end{array} \right)\).