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If the matrix A =[(1,2,3,0),(2,4,3,2),(...

If the matrix ` A =[(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,a)]` is of rank 3, then `a=`

A

5

B

4

C

1

D

-5

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-MATRICES-EXERCISE 1D MCQ (LINEAR EQUATIONS)
  1. The rank of [(1,2,3,1),(2,4,6,2),(1,2,3,2)] is

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  2. The rank of [(1,2,-1),(4,1,2),(3,-1,1),(1,2,0)] is

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  3. If the matrix A =[(1,2,3,0),(2,4,3,2),(3,2,1,3),(6,8,7,a)] is of rank...

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  4. The matrix form of the system of equations 2x-y+8z=13,3x+4y+5z=18, 3x-...

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  5. The augmented matrix of x+y+z=6, 2x-y+z=3, 2y-z+x=2 is

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  6. The solution of 3x+4y=1,2x+5y=3 is

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  7. The solution of 7x+5y-13z+4=0, 9x+2y+11z=37,3x-y+z=2 is

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  8. The solutioni of x+y+z=7,x+2y+3z=16,x+3y+4z=22 is

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  9. find rank of[(1,1,1),(1,2,3),(3,1,-5)] is

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  10. The equation 2x+y-4z=0, x-2y+3z=0 , x-y+z=0 have

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  11. The number of nontrivial solutions of the system: x-y+z=0, x+2y=0, 2x+...

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  12. For the equations x+2y+3z=1, 2x+y+3z=2, 5x+5y+9z=4

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  13. Consider the system of linear equations x(1)+2x(2)+x(3)=3, 2x(1)+3x(2)...

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  14. The equations x+2y-z=3, 3x-y+2z=1, 2x-2y+3z=2 have

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  15. The equation x-y+2z=4,3x+y+4z=6, x+y+z=1 have

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  16. If the system of equation 3x-2y+z=0, lamda-14y=15z=0,x+2y+3z=0 has non...

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  17. The system of linear equations x+y+z=2, 2x+y-z=3, 3x+2y+kz=4 has a uni...

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  18. If the system of equations x+y+z=6, x+2y+lamdaz=0, x+2y+3z=10 has no s...

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  19. The system of equations alphax+y+z=alpha-1,x+alphay+z=alpha-1,x+y+alph...

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  20. The number of values of k for which the system of equations: (k+1)x+...

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