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If A is a square matrix such that |A|=2 ...

If `A` is a square matrix such that `|A|=2` , write the value of `|2 A|`

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RD SHARMA ENGLISH-DETERMINANTS-All Questions
  1. A is a skew-symmetric of order 3, write the value of |A| .

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  2. If A is a square matrix of order 3 with determinant 4, then write t...

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  3. If A is a square matrix such that |A|=2 , write the value of |2 A|

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  4. Find the value of determinant |[243 ,156 ,300],[ 81, 52, 100],[-3, 0...

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  5. Write the value of the determinant |[2,-3 ,5],[ 4,-6, 10],[ 6,-9, 15...

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  6. If the matrix [[5x,2],[-10 ,1]] is singular, find the value of x .

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  7. If A is a square matrix of order nxxn such that |A|=lambda , then w...

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  8. Find the value of the determinant |[2^2, 2^3 ,2^4],[ 2^3 ,2^4 ,2^5],...

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  9. If A and B are non-singular matrices of the same order, write wheth...

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  10. A matrix of order 3xx3 has determinant 2. What is the value of |A(3...

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  11. If A and B are square matrices of order 3 such that |A|=-1 , |B|=3 ...

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  12. Write the value of |[a+i b, c+i d],[-c+i d ,a-i b]| .

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  13. Write the cofactor of a(12) in the matrix [[2,-3, 5],[ 6, 0, 4],[ 4, 5...

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  14. If |[2x+5 ,3],[ 5x+2, 9]|=0 , find xdot

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  15. Find the value of x from the following: |[x,4],[ 2 ,2x]|=0

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  16. Write the value of the determinant |[2, 3, 4],[ 5, 6 ,8],[ 6x,9x, 12...

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  17. If |A|=2 , where A is 2xx2 matrix, find |a d j\ A| .

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  18. What is the value of the determinant |[0, 2, 0 ],[2, 3, 4 ],[4, 5 ,6...

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  19. For what value of x is the matrix [[6-x,4],[ 3-x,1]] singular?

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  20. A matrix A of order 3xx3 is such that |A|=4 . Find the value of |2A| .

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