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X=[{:(3,-4),(1,-1):}],B=[{:(5,2),(-2,1):...

`X=[{:(3,-4),(1,-1):}],B=[{:(5,2),(-2,1):}] and A=[{:(p,q),(r,s):}]` the equation AX=B then the matrix A is equal to :

A

`[{:(-7,26),(1,-5):}]`

B

`[{:(7,26),(4,17):}]`

C

`[{:(-7,-4),(26,13):}]`

D

`[{:(-7,26),(-6,23):}]`

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PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
  1. Which one of the following matrices is an elementary matrix ?

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  2. If A=[{:(2,7),(1,5):}] then what is A+3A^(-1) equal to ?

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  3. X=[{:(3,-4),(1,-1):}],B=[{:(5,2),(-2,1):}] and A=[{:(p,q),(r,s):}] the...

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  4. A[{:(x+y,y),(2x,x-y):}],B =[{:(2),(-1):}] and C [{:(3),(2):}]. If AB =...

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  5. v34

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  6. If A and B are two matrices of order 2 and det (A) is 3, det (B) is -1...

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  7. If, A and B be two matrices such that AB = A and BA=B. Then. Which of ...

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  8. If the matrix A is such that ({:(1,3),(0,1):})A=({:(1,1),(0,-1):}), th...

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  9. If A is invertible matrix. Then what is det (A^(-1)) equal to ?

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  10. If A, B, and C are three square matrices of the same order, then AB=AC...

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  11. If A=({:(4,x+2),(2x-3,x+1):}) is symmetric, then what is x equal to ?

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  12. Consider the following statements in respect of the matrix A=[{:(0,1,2...

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  13. Consider two matrices A=[{:(1,2),(2,1),(1,1):}] and B =[{:(1,2,-4),(2,...

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  14. If A is any matrix. Then the product AA is defied only when A is a mat...

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  15. If [{:(2,3),(4,1)]xx[{:(5,-2),(-3,1)]=[{:(1,-1),(17,lamda):}] then wha...

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  16. If A[{:(i,0),(0,-i)]B=[{:(0,-1),(1,0)] and C =[{:(0,i),(i,0):}] where ...

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  17. Consider the following statements: I. The product of two non-zero ma...

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  18. Consider the following statements : I. The matrix ({:(1,2,1),(2,2a,1...

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  19. If 2A=[{:(2,1),(3,2):}] then what is A^(-1) equal to ?

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  20. If A and B are two non-singular square matrices such that AB=A. then w...

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