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If A=[(-x,-y),(z,t)], then the transpos...

If `A=[(-x,-y),(z,t)]`, then the transpose of adj A 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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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 2
  1. If A=((-1,0),(0,2)) then the value of A^(3)-A^(2) is equal to -

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  2. If 1, omega,omega^(2) are the cube roots of unity then the vlue of m f...

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  3. If A=[(-x,-y),(z,t)], then the transpose of adj A is -

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  4. A die is thrown if it shows a six, we draw ball from is bag containing...

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  5. The solutions of the equation |(x,2,-1),(2,5,x),(-1,2,x)|=0 are -

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  6. The vector of magnitude 12, which is perpendicular to both the vect...

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  7. If A is a square matrix of order 3xx3 and lambda is a scalar, then adj...

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  8. If veca, vecb,vec c are unit vectors such that veca+vecb+vec c=veco, t...

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  9. The points with position vectors 60hati+3hatj, 40hati-8hatj and a hat...

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  10. If the diagonals of a parallelogram are 3hati+hatj-2hatk and hati-3hat...

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  11. Let PQRS be a parallelogram whose diagonals PR and QS intersect at O'....

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  12. If f(x)=(2x+1)/(3x-2), then (fof)(2) is equal to -

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  13. The relation R is defined on the set of natural numbers N as x is a f...

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  14. The value of sin((1)/(2)"cos"^(-1)(4)/(5)) is -

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  15. Let C and R be the sets of complex numbers and real numbers respectiv...

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  16. Let X be the random variable of the number of points obtained in singl...

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  17. If n and p are two parameters of a binomial distribution, state which ...

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  18. The domain of definition of the function sin^(-1)[log(3)((x)/(3))] is ...

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  19. The value of cot((pi)/(4)-2cot^(-1)3) is -

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  20. If y=sqrt(sin sqrt(x)), then the value of (dy)/(dx) is -

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