Q. 74.8( 4 Votes )

A is a square mat

Answer :

Given, |A| = 7

We know, if A is an order of n then |adj A| = |A|^{n - 1}

Here, A is a square matrix of order 3

So, |adj A| = |A|²

|adj A| = 7²

|adj A| = 49

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation