Question

A invers = matriks (8 -3
5 -2)

Answer 1

................... 1
A invers =  ----------------- ( -2  3  -5  8)
..............{(8)(-2) - (5)(-3)}
......1
=------------ ( -2  3  -5  8)
(-16 + 15)
= -1( -2  3  -5  8)
= ( 2  -3  5  -8)