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Which One of the Following Matrices Has an Inverse Which

question 5

Multiple Choice

Which one of the following matrices has an inverse which is not listed? $Which one of the following matrices has an inverse which is not listed? A = \left[ \begin{array} { l l } 1 & 1 \\ 1 & 0 \end{array} \right] , B = \left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right] , C = \left[ \begin{array} { l l } 0 & 1 \\ 1 & - 1 \end{array} \right] , D = \left[ \begin{array} { r r } 1 & - 1 \\ 1 & 0 \end{array} \right] , E = \left[ \begin{array} { l l } - 1 & 0 \\ 0 & 1 \end{array} \right] A) E B) A C) B D) C E) D$ $A = \left[ \begin{array} { l l } 1 & 1 \\ 1 & 0 \end{array} \right] , B = \left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right] , C = \left[ \begin{array} { l l } 0 & 1 \\ 1 & - 1 \end{array} \right] , D = \left[ \begin{array} { r r } 1 & - 1 \\ 1 & 0 \end{array} \right] , E = \left[ \begin{array} { l l } - 1 & 0 \\ 0 & 1 \end{array} \right]$

Definitions:

Open-end Investment Companies

Mutual funds that continuously issue new shares or redeem existing shares at the net asset value.

Mutual Funds

Funds that aggregate capital from numerous investors to acquire a varied collection of shares, bonds, or alternative financial instruments.

12b-1 Fee

A fee found in the expense ratio of some mutual funds, meant to cover marketing, distribution, and other costs.

Front-end Load

An upfront sales charge investors pay when they purchase mutual fund shares, which reduces the amount of the investment.