SOLUTION: Dear tutors, i don`t understand how to find the matrix inverse, please if you can help to me.
it is a matrix 3x3
-4 3 2
1 -32 1
6 -2 -1
Help me once again plea
Question 390553: Dear tutors, i don`t understand how to find the matrix inverse, please if you can help to me.
it is a matrix 3x3
-4 3 2
1 -32 1
6 -2 -1
Help me once again please, it is very important for me!!!!
Beforehand thanks to you!!!! Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi
A= =
I. first find value of determinant: d = a1(b2c3-c2b3) - b1(a2c3-c2a3) + c1(a2b3-b2a3)
II. Then Apply formula for the Inverse:
|A| = 1/d