NCERT Example 15 - Determinants
Question: Show that A=[[2,3],[1,2]] satisfies A^2-4A+I=O, and hence find A^{-1}.
Answer: A^{-1}=[[2,-3],[-1,2]].
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: Show that A=[[2,3],[1,2]] satisfies A^2-4A+I=O, and hence find A^{-1}.
Answer: A^{-1}=[[2,-3],[-1,2]].
Full step-by-step NCERT solution with diagrams on Something by Zero.