Let \(\beta\) be a real number. Consider the matrix \(A=\left(\begin{array}{ccc}\beta & 0 &a.... VIDEO
Let \(\beta\) be a real number. Consider the matrix \(A=\left(\begin{array}{ccc}\beta & 0 & 1 \\ 2 & 1 & -2 \\ 3 & 1 & -2\end{array}\right)\). If \(A ^7-(\beta-1) A ^6-\beta A ^5\) is a singular matrix, then the value of \(9 \beta\) is------------ 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
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