• Support PF! Buy your school textbooks, materials and every day products Here!

How do I find the values of b and y?[A][b = [3 y] 4]

  • Thread starter Ry122
  • Start date
565
2
How do I find the values of b and y?
[A][b = [3
y] 4]
 

Answers and Replies

Dick
Science Advisor
Homework Helper
26,258
618
You are going to format that better, aren't you?
 
565
2
[A][b y]=[3 4]
y is below b
4 is below 3
 
Dick
Science Advisor
Homework Helper
26,258
618
And what is A?
 
HallsofIvy
Science Advisor
Homework Helper
41,732
893
That's a lot like asking: "What is Ax= 4?" without telling us what A is. The only possible answer is "x= 4/A" or "X= A-14".

The only possible answer to your question is
[tex]\left[\begin{array}{c} b \\ y \end{array}\right]= A^{-1}\left[\begin{array}{c} 3 \\ 4\end{array}\right][/tex]
until we know what "A" is.

Of course, if the problem really was what you said, that may be the correct answer!
 
565
2
thats what i thought. it was a question in an exam i recently had.
 

Related Threads for: How do I find the values of b and y?[A][b = [3 y] 4]

Replies
9
Views
5K
  • Last Post
Replies
16
Views
1K
Replies
1
Views
1K
Replies
7
Views
521
Replies
1
Views
967
Replies
7
Views
4K
  • Last Post
Replies
7
Views
1K
  • Last Post
Replies
9
Views
1K
Top