A) \[{{\lambda }^{3}}\]
B) \[{{\lambda }^{2}}\]
C) \[2{{\lambda }^{2}}\]
D) None of these
Correct Answer: B
Solution :
[b] \[tr(A)=\sum\limits_{i=1}^{\lambda }{{{a}_{ii}}\ge \lambda (As\,\,{{a}_{ij}}\ge 1i,\,j)}\] and \[tr(M{{N}^{2}})=\{tr(M)\}{{\{tr(N)\}}^{2}}\]
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