Formula
Determinant of a triangular matrix
- the diagonal entries
For an upper or lower triangular matrix, and so for a diagonal one, the determinant is simply the product of the diagonal entries.
14
questions use it
4
of them past-year
2017–2026
years it has appeared
0%
rated HARD
2
exams
Used alongside
How often each of these appears in the same solution as this one.
14 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