Question

If A2 = A, which matrix is matrix A? [64 5 5 -4 –4. $4] 0.5 -0.57 -0.5 0.5 0.5 0.51 -0.5 0.5] (

Answer 1

`\begin{gathered} \text{If }A^2=A\text{ then let's try then, the answer should be either the 3rd or 4th} \\ \text{option} \end{gathered}`

So let's try the third option