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If the matrix A B is zero, then It is no...

If the matrix `A B` is zero, then It is not necessary that either `A=O` or, `B=O` (b) `A=O` or `B=O` (c) `A=O` and `B=0` (d) all the above statements are wrong

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
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  2. If [(cos\ (2pi)/7,-sin\ (2pi)/7),(sin\ (2pi)/7,cos\ (2pi)/7)]^k=[(1,0)...

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  3. If the matrix A B is zero, then It is not necessary that either A=O...

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  5. If A ,\ B are square matrices of order 3,\ A is non-singular and A ...

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  7. If A=[(1,a),(0, 1)] , then A^n (where n in N) equals (a)[(1,n a),(0, ...

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  8. If A=[[1, 2, x], [0 ,1 ,0],[ 0, 0, 1]] and B=[[1,-2,y],[0, 1, 0 ],[0...

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  9. If A=[1-1 2-1] , B=[a1b-1] and (A+B)^2=A^2+B^2 , then values of a and ...

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  19. If A=[a(i j)] is a square matrix of even order such that a(i j)=i^2-...

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