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If AB = C, where B and C are matrices of...

If AB = C, where B and C are matrices of order `4 xx 5`, then the order of matrix A is :

A

`4xx5`

B

`4xx4`

C

`5xx5`

D

`5xx4`

Text Solution

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The correct Answer is:
B
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ACCURATE PUBLICATION-MATRICES-QUESTIONS CARRYING 1 MARK (Type-I : (Multiple choice questions))
  1. If AB = C, where B and C are matrices of order 3 xx 5, then order of A...

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  2. AB = C, where B and C are matrices of order 3 xx 4, then order of A is...

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  3. If AB = C, where B and C are matrices of order 4 xx 5, then the order ...

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  4. If AB = C where Band C are matrices of orders 5xx3 then order of A is ...

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  5. If A = [(1,2,3)] , B = [(2),(3),(1)], then AB equals

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  6. If A = [(2,1,3)] , B = [(3),(2),(1)] then AB equals

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  7. If A=[(alpha,beta),(gamma,-alpha)] is such that A^(2)=I, then a. 1 ...

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  8. Assume X, Y, Z, W and P are matrices of order 2xxn, 3xxk, 2xxp, nxx3 ...

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  9. The matrix A = [(0,-1),(1,0)] is a (a) identity matrix (b) Diagonal m...

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  10. The matrix A = [(0,-1),(1,0)] is a (a) identity matrix (b) Diagonal m...

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  11. If A is any square matrix then A + A' is a :

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  12. If A, B are symmetric matrices of same order, then AB - BA is a :

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  13. If A is a matrix of order 5xx2 and B is a matrix of order 2xx5, then t...

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  14. If A is a matrix of order 3xx2 and B is a matrix of order 2xx3, then t...

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  15. If order of matrix A is 2 xx 3 and order of matrix B is 3 xx 5, then o...

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  16. If order of matrix A is 4 xx 3 and order of matrix B is 3 xx 5, then o...

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  17. If the matrix A is both symmetric and skew symmetric, then :

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  18. If A = [[1 2 3 ]], then AA' is equal to :

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  19. Choose the correct option in the question : If A = {:((3,2,1)):} the...

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  20. If A and B are two invertible matrices, then the inverse of AB is equa...

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