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The solutioni of x+y+z=7,x+2y+3z=16,x+3y...

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

A

`x=1,y=-3,z=2`

B

`x=1,y=2,z=3`

C

`x=1,y=3,z=3`

D

`x=-1,y=4,z=4`

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-MATRICES-EXERCISE 1D MCQ (LINEAR EQUATIONS)
  1. The solution of 3x+4y=1,2x+5y=3 is

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. The system of equations 3x+2y+z=6,3x+4y+3z=14,6x+10y+8z=a has infinite...

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  17. If the system of equations x+2y+3z=13, 3x+y+2z=12, 2x+3y+6z=0 has

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  18. The number of values of k for which the linear equations 4x+ky+2z=0, k...

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  19. If the system of equations 2x-3y+4z=0, 5x-2y-z=0 and 21x-8y+lamdaz=0 h...

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  20. The values of lamda for which the system of equations x+y-3=0, (1+ lam...

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