Question

If A is a square matrix of order 3 such that A = 4, then find the valueof A. (adi
A)​

Answer 1

Answer:

What is the determinant of its transpose ? The determinant of transpose will not change. ... So, the determinant is equal to 4.03

Explanation:

If A is a square matrix such that A(AdjA)=∣∣∣∣400040004∣∣∣∣ then det(AdjA)=

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Text Solution

Solution :

|A|I=A⋅AdjA

|A|n=|A⋅AdjA||A*AdjA|=4*4*4=64|A|^3= 64|A|=4|adjA|= |A|^(3-1)=4*4=16`

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