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If A=({:(4,x+2),(2x-3,x+1):}) is symmetr...

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

A

2

B

3

C

-1

D

5

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PUNEET DOGRA-MATRIX-PREV YEAR QUESTIONS
  1. If A is invertible matrix. Then what is det (A^(-1)) equal to ?

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

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

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

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

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

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

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

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

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

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

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

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  13. If A=[{:(3,4),(5,6),(7,8):}] and B =[{:(3,5,7),(4,6,8):}], then Which ...

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  14. The inverse of a diagonal matrix is a:

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  15. If the matrix [{:(alpha, 2,2),(-3,0,4),(1,-1,1):}] is not invertible t...

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  16. If the matrix AB is a zero matrix, then which one of the following is ...

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  17. If the sum the matrices [{:(x),(x),(y):}][{:(y),(y),(z):}] and [{:(z),...

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  18. A square matrix [A(ij)] such that a(ij)=0 for I ne j and a(ij)=k where...

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  19. Consider the following statements. I. Every zero matrix is a square ...

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  20. If a matrix A has inverse B and C. then which one of the following is ...

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