If A and B be two square matrices of order \[\lambda \]whose all the elements are essentially positive integers then the minimum value of \[tr\text{ (}A{{B}^{2}})\] is equal to

If A and B be two square matrices of order \[\lambda \]whose all the e

1.	If A and B be two square matrices of order \[\lambda \]whose all the elements are essentially positive integers then the minimum value of \[tr\text{ (}A{{B}^{2}})\] is equal to
A.	\[{{\lambda }^{3}}\]
B.	\[{{\lambda }^{2}}\]
C.	\[2{{\lambda }^{2}}\]
D.	None of these
Answer» C. \[2{{\lambda }^{2}}\]

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If A and B be two square matrices of order \[\lambda \]whose all the elements are essentially positive integers then the minimum value of \[tr\text{ (}A{{B}^{2}})\] is equal to

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