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If X=[[-x, -y], [z, t]], then transpose ...

If `X=[[-x, -y], [z, t]]`, then transpose of adjX is

A

`[(t,z),(-y,-x)]`

B

`[(t,y),(-z,-x)]`

C

`[(t,-z),(y,-x)]`

D

None of these

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The correct Answer is:
c
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TARGET PUBLICATION-MATRICES-COMPETITIVE THINKING (Inverse off a matrix )
  1. IF A=[(1,1,0),(2,1,5),(1,2,1)],then a(11) A(21) +a(12)+a(12)A(22)+a...

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  2. Matrix A=[(1,2,3),(1,1,5),(2,4,7)], then the value of a(31)A(31)+a(32)...

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  3. If X=[[-x, -y], [z, t]], then transpose of adjX is

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  4. Let A=[(1,0,0),(5,2,0),(-1,6,1)], then the adjoint of A is

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  5. if A=[[2,-3],[-4,1]] then (3A^2+12A)=?

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  6. If A=[(1,-1,1),(0,2,-3),(2,1,0)],B=(adjA) and C=5A, then (|adjB|)/(|C|...

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  7. If A=[{:(3,2),(1,4):}], then what is A (adj A) equal to ?

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  8. If A=[(cos x, sin x),(-sin x,cos x)], then A(adj A)=

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  9. If A=[(cos alpha,sin alpha),(-sin alpha,cos alpha)] and A. adj A=[(k,...

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  10. If k is a scalar and l is a unit matrix of order 3 then adj(kl) is equ...

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  11. If x is square materix of order 3xx3 and lambda is a scalar, then adj ...

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  12. If A is a singular matrix, then adj A is a. singular b. non singula...

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  13. If d is the determinant of a square matrix A of order n , then the ...

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  14. If A={:[(4,2),(3,4)],:}" then: "|adj,A|=

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  15. For a invertible matrix A if A (adj A) =[(10,0),(0,10)] then |A...

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  16. If A is a matrix of order 3, such that A(adj A)=10I, then |adj A|=

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  17. If the adjoint of a 3 3 matrix P is 1 4 4 2 1 7 1 1 3 , then the po...

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  18. Let A be a 2xx2 matrix Statement -1 adj (adjA)=A Statement-2 abs(a...

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  19. adj AB -(adj B)(adj A) =

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  20. If A=[(2x,0),(x,x)] and A^(-1)=[(1,0),(-1,2)] then x equals to

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