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If A and B are square matrices of order ...

If A and B are square matrices of order 2, then `(A+B)^2` =

A

`A^(2)+2AB+B^(2)`

B

`A^(2)+AB+BA+B^(2)`

C

`A^(2)+2BA+B^(2)`

D

None of these

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The correct Answer is:
B
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MOTION-MATRICES -Exercise - 1
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  3. If A and B are square matrices of order 2, then (A+B)^2 =

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  4. If [(1,x,1)][(1,3,2),(0,5,1),(0,3,2)][(x),(1),(-2)]=[0] then x is

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  7. If A=diag(2,-1,3), B=diag(-1,3,2)then A^(2)B

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  12. If A and B are square matrices of order n xx n such that A^2-B^2=(A-B)...

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  15. If a non-singular matrix and A^(T) denotes the tranpose of A, then

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  16. If A is skew-symmetric matrix, then trace of A is

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  17. If A and B are symmetric matrices, then A B A is

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  18. If A is a skew-symmetric matrix and n is an even natural number,...

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  20. [{:(,1,2),(,2,1):}],[{:(,1,2),(,2,1):}]

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