Question

Помогите решить
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Answer 1

Ответ:

3)

Пошаговое объяснение:

$f(A)=-\left[\begin{array}{cc}3&1\\0&-2\end{array}\right]^2+2E=-\left[\begin{array}{cc}3&1\\0&-2\end{array}\right]*\left[\begin{array}{cc}3&1\\0&-2\end{array}\right]+2\left[\begin{array}{cc}1&0\\0&1\end{array}\right]= \\ \\ -\left[\begin{array}{cc}9&1\\0&4\end{array}\right]+\left[\begin{array}{cc}2&0\\0&2\end{array}\right]=\left[\begin{array}{cc}-7&-1\\0&-2\end{array}\right]$