Question

A is square Matrix of order 3 such thatA (adj A) =5I then (adj A )is.....​

Answer 1

Answer:

Property: ∣adj A∣=∣A∣

n−1

where n is the order of the square matrix A.

Here, n=3 and ∣A∣=5

Therefore, ∣adj A∣=5

2

=

25

Step-by-step explanation:

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