SOLUTION: Dear Tutors!!! i can`t solve it by myself, i will wait for you help, please help me to find the matrix inverse. it is a matrix inverse, it is 3x3 matrix : (-4) ( 3) ( 2)

Algebra ->  Linear-equations -> SOLUTION: Dear Tutors!!! i can`t solve it by myself, i will wait for you help, please help me to find the matrix inverse. it is a matrix inverse, it is 3x3 matrix : (-4) ( 3) ( 2)       Log On


   



Question 390573: Dear Tutors!!! i can`t solve it by myself, i will wait for you help, please help me to find the matrix inverse. it is a matrix inverse, it is 3x3 matrix :
(-4) ( 3) ( 2)
( 1) (-32) ( 1)
( 6) ( -2) (-1)
Beforehand thanks for you!!!sincerely Aziz!!!

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, previously posted
A=%28matrix%283%2C3%2Ca1%2Cb1%2Cc1%2Ca2%2Cb2%2Cc2%2Ca3%2Cb3%2Cc3%29%29 =%28matrix%283%2C3%2C-4%2C3%2C2%2C1%2C-32%2C1%2C6%2C-2%2C-1%29%29
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