SOLUTION: Find the determinant of the matrix. A= [6,3,-6] [0,6,1] [-3,4,0] |A|=

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Question 626891: Find the determinant of the matrix.
A=
[6,3,-6]
[0,6,1]
[-3,4,0]
|A|=
Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

A=%28matrix%283%2C3%2Ca1%2Cb1%2Cc1%2Ca2%2Cb2%2Cc2%2Ca3%2Cb3%2Cc3%29%29 =%28matrix%283%2C3%2C6%2C3%2C-6%2C0%2C6%2C1%2C-3%2C4%2C0%29%29

I. find value of determinant =  a1(b2c3-c2b3) - b1(a2c3-c2a3) + c1(a2b3-b2a3) = -141