Complete the inverse rule

Exercise and reference answers

Missing parts

1. Answer

   non-singular

   Choices

   1. non-singular
   2. singular
   3. symmetric

2. Answer

   |A|

   Choices

   1. |A|
   2. adj A
   3. n

3. Answer

   adj A

   Choices

   1. adj A
   2. Aᵀ
   3. A²

Complete the statement

A square matrix A has an inverse if and only if A is {0}. Then A⁻¹ = (1/{1}) × {2}.

Explanation