SOLUTION: I need help.
Suppose that A^-1=Matrix[2 -1] find A
3 5
Algebra.Com
Question 146169: I need help.
Suppose that A^-1=Matrix[2 -1] find A
3 5
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A^-1=Matrix[2 -1] find A
.......... [3 5]
--------------------
[A^-1]^-1 = A
So find the inverse of the given matrix:
A = (1/13)[5 1]
..........[-3 2]
======================
Cheers,
Stan H.
RELATED QUESTIONS
I just dont understand this question.
Let matrix
A=
1 3
2 5
B=... (answered by kev82)
Suppose that A is a square matrix and A4 = 0 (the zero matrix). Show that (10 points)
(I (answered by ikleyn)
Find the inverse of each matrix A if possible. Check that AA^-1=I and A^-1 A=I.
[1 -1 (answered by AnlytcPhil)
Consider the accompanying matrix. Use the test for linear independence to find a basis... (answered by venugopalramana)
Given the matrix A=
1 1 1
1 2 3
1 4 5
Find a 3X3 matrix, B, that is not... (answered by Edwin McCravy)
Need to find the inverse of a 3x3 matrix?
-2 5 -1
-1 -2 -3
3 -4... (answered by Fombitz)
Please help
Suppose A, B and AB-I are non-degenerate and have same order. Prove that... (answered by ikleyn)
I need your help please...........
1. If the matrices A and B are the same size and... (answered by khwang)
Suppose that A is the matrix over Z7:
A =
3 2 4
4 3 5
2 1 2.
(a) Find the inverse (answered by math_tutor2020)