Question

find the invers of the motrices of A
5.2
3.6​

Answer 1

Answer:

1/24 x [6  -2]

          [-3  5]

Step-by-step explanation:

cofactor of 5 = 6

cofactor of 2 = -3

co- factor of 3 = -2

co- factor of 6 = 5

|A| = 24

A⁻¹ = 1/ |A| x Adj(A)

Adj(A) = transpose of co-factor of A