show
that A2 ? 5A +| 7I = 0. Hence find A?1.
Answer:
L.H.S. = A2
? 5A + 7I
pre multiply it
by A?1
A?1
(A2) ? 5A?1A + 7 A?1 I = A?1 0
You need to login to perform this action.
You will be redirected in
3 sec
