OCR MEI Further Pure Core AS 2023 June — Question 9

Exam BoardOCR MEI
ModuleFurther Pure Core AS (Further Pure Core AS)
Year2023
SessionJune
TopicInvariant lines and eigenvalues and vectors

9 A transformation T of the plane is represented by the matrix \(\mathbf { M } = \left( \begin{array} { c c } k + 1 & - 1
1 & k \end{array} \right)\), where \(k\) is a
constant. constant. Show that, for all values of \(k , \mathrm {~T}\) has no invariant lines through the origin.