web2.0calc
 
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 PLEASE HELP!

0
57
10
avatar+124 

consider the matrix. 

 

c= [-3 5]

      -2 4

What is the value of |C| ?
 

|C| = 

 

Thank you so much for reading :) 

I need help with this please...

 

This is Matrices.

 Aug 10, 2023

6+0 Answers

 #1
avatar+758 
+1

I suppose it is [3 5]
                        2 4

 Aug 10, 2023
 #2
avatar+124 
0

Thank you so much :)

thebestchesscat  Aug 10, 2023
 #3
avatar+170 
+2

Er History I'm not sure...

 

I'm assuming you want the determinant of this matrix, which is \((-3)(4) + (-2)(5) = -22\). 

 Aug 10, 2023
 #4
avatar+129895 
+2

l c l  =   (-3)(4) - (5)(-2)  =    -12 - (- 10 )  =  -12 + 10 =   -2

 

cool cool cool

 Aug 10, 2023
 #5
avatar+170 
-1

Oopsies.... hehe

plaintainmountain  Aug 10, 2023
 #6
avatar+758 
0

Oh... I thought he meant the absolute value. 

 Aug 10, 2023

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