Technique
Powers of a matrix
- a square matrix
- the exponent
High powers of a structured matrix are found by computing the first few and reading off the pattern, not by repeated multiplication.
54
questions use it
29
of them past-year
2015–2026
years it has appeared
17%
rated HARD
4
exams
Used alongside
How often each of these appears in the same solution as this one.
54 questions whose solution uses this
Every one was read individually — a question is here because its solution invokes this, not because the stem mentions it.
Every identity this chapter tests, with its own question set.
All Matrices & Determinants formulas