TS EAMCET · Maths · Matrices
If \(A=\left[\begin{array}{cc}-1 & 0 \\ 0 & 2\end{array}\right]\), then \(A^3-A^2\) is equal to
- A 2A
- B 2I
- C A
- D I
Answer & Solution
Correct Answer
(A) 2A
Step-by-step Solution
Detailed explanation
Given that, \(A=\left[\begin{array}{cc}-1 & 0 \\ 0 & 2\end{array}\right]\qquad\ldots\text{(i)}\) Now,…
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