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The matrix A=[{:(1,3,2),(1,x-1,1),(2,7,x...

The matrix `A=[{:(1,3,2),(1,x-1,1),(2,7,x-3):}]` will have inverse for every real number x except for

A

`x=(11 pm sqrt(5))/(2)`

B

`x=(9 pm sqrt(5))/(2)`

C

`x=(11 pm sqrt(3))/(2)`

D

`x=(9 pm sqrt(3))/(2)`

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PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
  1. If A=[{:(1,0,-2),(2,-3,4):}], then the matrix X for which 2x+3A=0 hold...

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  2. If A is an invertible matrix of order n and k is any positive real num...

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  3. The matrix A=[{:(1,3,2),(1,x-1,1),(2,7,x-3):}] will have inverse for e...

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  4. Match List 1 with List 2. Select the correct answer using the codes gi...

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  5. The matrix [{:(0,-4+i),(4+I,0):}] is

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  6. Which one of the following matrices is an elementary matrix ?

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

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

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

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  10. v34

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

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

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

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

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

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

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

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

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

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

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