Let A= pmatrix 1&2 2&4 pmatrix

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Let

A=\begin{pmatrix}1&2\\2&4\end{pmatrix}.

Find any non-zero

2\times 2

matrix

B

such that

AB=O_{2\times 2}