Question icon
Grade 12Algebra

In order to do inverse matrix questions what are the key points i should remember

Profile image of Nayan
7 Years agoGrade 12
Answers icon

1 Answer

Profile image of Arun
7 Years ago
Dear student
 
Focus on sign convention, generally mistake are happened in this.
Also remember that A-1 = adj (A) / |A|
 
generally it is forgotten to divide by |A|