We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
47
1
avatar

Let \(\mathbf{A}\) be a matrix such that \(\mathbf{A}^{-1} = \begin{pmatrix} 1 & 1 \\ 2 & x \end{pmatrix}\) for some value of \(x \). What is the vector that \(\mathbf{A}\) maps to \(\begin{pmatrix} 1 \\ 0 \end{pmatrix}?\)

 Oct 13, 2019
 #1
avatar
0

The answer is \(\begin{pmatrix} 3 \\ -7 \end{pmatrix}\).

 Nov 27, 2019

17 Online Users