Property
Definition of the adjoint
- the cofactor of the entry in row j, column i
The adjugate is the transpose of the matrix of cofactors. For order two this simply swaps the diagonal entries and negates the other two.
29
questions use it
19
of them past-year
2017–2025
years it has appeared
41%
rated HARD
4
exams
Used alongside
How often each of these appears in the same solution as this one.
29 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.
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