AQA Further Paper 1 Specimen — Question 13 5 marks

Exam BoardAQA
ModuleFurther Paper 1 (Further Paper 1)
SessionSpecimen
Marks5
TopicProof by induction

13 Given that \(\mathbf { M } = \left[ \begin{array} { l l l } 1 & 1 & 1
1 & 1 & 1
1 & 1 & 1 \end{array} \right]\), prove that \(\mathbf { M } ^ { n } = \left[ \begin{array} { l l l } 3 ^ { n - 1 } & 3 ^ { n - 1 } & 3 ^ { n - 1 }
3 ^ { n - 1 } & 3 ^ { n - 1 } & 3 ^ { n - 1 }
3 ^ { n - 1 } & 3 ^ { n - 1 } & 3 ^ { n - 1 } \end{array} \right]\) for all \(n \in \mathbb { N }\)
[0pt] [5 marks] LL LL L
LL
LL
LL L
L