Mathematics, 01.06.2020 09:57 Vampfox
What is the determinant of the coefficient matrix of the system
Answers: 1
![\left[\begin{array}{ccc}4&3&2\\-3&1&5\\-1&-4&3\end{array}\right]](/tpl/images/0673/1101/d935a.png)
![\left[\begin{array}{ccc}a&b&c\\d&e&f\\h&i&j\end{array}\right]](/tpl/images/0673/1101/dda52.png)
![a*det(\left[\begin{array}{ccc}e&f\\i&j\\\end{array}\right]) -b*det(\left[\begin{array}{ccc}d&f\\h&j\\\end{array}\right]) +c*det(\left[\begin{array}{ccc}d&e\\h&i\\\end{array}\right] )](/tpl/images/0673/1101/93ca2.png)
![4*([1*3]-[-4*5])-3([-3*3]-[-1*5])+2([-3*(-4)]-[-1*1])\\\\4(3+20)-3(-9+5)+2(12+1)\\\\4(23)-3(-4)+2(13)\\\\92+12+26=130](/tpl/images/0673/1101/06081.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 13:30, khenalilovespandas
Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)
Answers: 2
Mathematics, 21.06.2019 16:30, tamya12234
If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?
Answers: 3
Mathematics, 21.06.2019 18:00, ARandomPersonOnline
A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
Answers: 2
You know the right answer?
What is the determinant of the coefficient matrix of the system...
Questions in other subjects:
Social Studies, 10.07.2019 08:30
Mathematics, 10.07.2019 08:30
History, 10.07.2019 08:30
Social Studies, 10.07.2019 08:30
Social Studies, 10.07.2019 08:30
Mathematics, 10.07.2019 08:30
