cmi-entrance 2011 QA8

cmi-entrance · India · pgmath 5 marks Matrices True/False or Multiple-Select Conceptual Reasoning
For any $n \geq 2$ there is an $n \times n$ matrix $A$ with real entries such that $A ^ { 2 } = A$ and trace $( A ) = n + 1$.
For any $n \geq 2$ there is an $n \times n$ matrix $A$ with real entries such that $A ^ { 2 } = A$ and trace $( A ) = n + 1$.