Question

Help with Matrix http://postimg.org/image/d961jqv83/

Answer 1

what does Adj mean?

Answer 2

adjunt, attached uhmm I will search in google D:

Answer 3

Adjugate D:

Answer 4

oh, it is adjoint

Answer 5

yes that :D https://en.wikipedia.org/wiki/Adjugate_matrix

Answer 6

\(A^{-1}= \dfrac{1}{detA}Adj A\)

Answer 7

MATRIX? The movie? :P

Answer 8

o hai @Zale101

Answer 9

(My message was meant as a joke XD)

Answer 10

The film would have been a better homework :(

Answer 11

Why does that link have ads to other pages?

Answer 12

lol don't know that, I use adblocker D:

Answer 13

oh ok. Just hoping it isn't one of those "links" where people can find out your location.

Answer 14

oh, gosh. It is doable but not a piece of cake.

Answer 15

I could go for a piece cake. Ice Cream Cake

Answer 16

Let A be a required matrix with entries a11, a12, a........ a44. Got what I meant?

Answer 17

yes I got what you mean :D

Answer 18

then, cofactor matrix is C11, C12....... ,C44 is defined by