TS EAMCET · Maths · Matrices
If \(A=\left[\begin{array}{cc}1 & -2 \\ 4 & 5\end{array}\right]\) and \(f(t)=t^2-3 t+7\), then \(f(A)+\left[\begin{array}{cc}3 & 6 \\ -12 & -9\end{array}\right]\) is equal to
- A \(\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]\)
- B \(\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right]\)
- C \(\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]\)
- D \(\left[\begin{array}{ll}1 & 1 \\ 0 & 0\end{array}\right]\)
Answer & Solution
Correct Answer
(B) \(\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right]\)
Step-by-step Solution
Detailed explanation
Given that, \[ A=\left[\begin{array}{cc} 1 & -2 \\ 4 & 5 \end{array}\right] \text { and } f(t)=t^2-3 t+7 \] Now,…
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