Let and . Verify that…

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

Problem

Let

A=\begin{pmatrix}2 & 3\\ -1 & 4\end{pmatrix}

and

B=\dfrac{1}{11}\begin{pmatrix}4 & -3\\ 1 & 2\end{pmatrix}

. Verify that

AB=I_2