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If A=[[1, 0, 2], [2, 3, 4]], then C1 to ...

If `A=[[1, 0, 2], [2, 3, 4]]`, then `C_1 to C_1 +C_3` on A gives

A

`[[1, 0, 2], [8, 3, 4]]`

B

`[[5, 0, 2], [11, 3, 4]]`

C

`[[5, 0, 2], [10, 3, 4]]`

D

`[[-3, 0, 2], [-6, 3, 4]]`

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-MATRICES-MULTIPLE CHOICE QUESTIONS
  1. If A=[[1, 0, 2], [2, 4, 5]] and B=[[1, 2, -1], [0, 1, 3]], then the ad...

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  2. If A=[[1, -1, 3], [2, 3, 4]], then R1 to R1 -R2 on A gives

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  3. If A=[[1, 0, 2], [2, 3, 4]], then C1 to C1 +C3 on A gives

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  4. If A=[[1, 2, -1], [3, -2, 5]], then first R1 harr R2 and then C1 to C1...

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  5. IfA==[[1, -1, 3], [2, 1, 0], [3, 3, 1]], then first 3R3 and then C3 to...

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  6. The co-factor of -4 and 9 in [[-1, -2, 3], [-4, -5, -6], [-7, 8, 9]] ...

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  7. The co-factor of elements of the second row of [[1, 2, 3], [-4, 3, 6],...

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  8. If A=[[5, 6, 3], [-4, 3, 2], [-4, -7, 3]], then co-factor of the eleme...

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  9. The co-factors of the elements of second row of the [[1, 3, -2], [4, -...

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  10. The co-factors of the elements of third row of [[1, -1, 2], [3, 1, 4],...

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  11. The co-factors of the elements of the first column of [[1, 1, -2], [2,...

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  12. The co-factors of the elements of third column of [[4, 3, 1], [1, 3, 2...

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  13. If A=[[1, 2, 3], [2, 3, 2], [1, 2, 2]], then

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  14. Matrix of co-factors of the matrix [[-1, 2],[ -3, 4]] is

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  15. Matrix of co-factors of the matrix [[1,2],[ 3, 4]] is

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  16. Matrix of co-factors of the matrix [[1, 3],[ 4, -1]] is

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  17. Matrix of co-factors of the matrix [[1, -1, 2], [-2, 3, 5], [-2, 0, -1...

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  18. Matrix of co-factors of the matrix [[1, 0, 2], [-2, 1, 3], [0, 3, -5]]...

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  19. If A=[[2, 1], [4, 2]], then

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  20. If A=[[1, 0],[0, 1]], then

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