wreckxbrick1
wreckxbrick1 wreckxbrick1
  • 03-12-2021
  • Mathematics
contestada

Trouble with matrix question

Trouble with matrix question class=

Respuesta :

loneguy
loneguy loneguy
  • 03-12-2021

[tex]\begin{vmatrix}3 & 3 & 1\\-2 & 0 & -2\\-2 & 4& -3\end{vmatrix}\\\\\\\\= 3 \begin{vmatrix} 0 & -2 \\ 4 & -3 \end{vmatrix} - 3 \begin{vmatrix} -2 & -2 \\ -2 & -3 \end{vmatrix} + \begin{vmatrix} -2 & 0 \\ -2 & 4 \end{vmatrix}\\\\\\=3\left[0(-3) -(-2)4\right] - 3\left[(-2)(-3) -(-2)(-2)\right] + [-2(4) - 0(-2)]\\\\=3(0+8) -3(6-4) -8\\\\=3(8) - 3(2) -8 \\\\=24-6 -8 \\\\=10[/tex]

Answer Link

Otras preguntas

When the product of 6 and the square of a number is increased by 5 times the number, the result is 4?
Evaluate. Show the steps please, thanks in advance!
How to translate these to spanish
Michael graphs the equations y=-1/2x+4 and y = x + 1 to solve the equation -1/2x+4=x+1. His graph is shown below. What are the solution(s) of -1/2x+4=x+1 A. –1
I'm stuck on B. I'm not sure
Most foodborne diseases are caused by microorganisms and can be prevented by preparers A. only buying organic foods. B. soaking foods in water and vinega
A guitar string is 87 cm long and has a mass of 3.7 g. from the bridge to the support post (= l is 63 cm, and the string is under a tension of 516 n. what are t
-x=2-3x+6 solve for x
Someone help me please
The sum of two numbers is 61.The larger number is 4 more than two times the smaller number. What is the smaller number?