If A=[p−qr−p] and A2 is a null matrix then q,p and r forms which t – InterviewSolution

1.	If A=[p−qr−p] and A2 is a null matrix then q,p and r forms which type of series ?
Answer» If $A = [\begin{matrix} p & - q r & - p \end{matrix}]$ and $A^{2}$ is a null matrix then $q, p$ and $r$ forms which type of series ?

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