TS EAMCET · Maths · Matrices
If \(A=\left[\begin{array}{lll}1 & 2 & 2 \\ 2 & 1 & 2 \\ 2 & 2 & 1\end{array}\right]\), then \(A^{-1}=\)
- A \(4 i-A\)
- B \(A-4 l\)
- C \(\frac{1}{5}(A-4 h)\)
- D \(\frac{1}{5}(4 l-A)\)
Answer & Solution
Correct Answer
(C) \(\frac{1}{5}(A-4 h)\)
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