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The sum of three numbers is 6. If we ...

The sum of three numbers is 6. If we multiply third number by 3 and add second number to it, we get 11. By adding first and third numbers, we get double of the second number. Represent it algebraically and find the numbers using matrix method.

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The correct Answer is:
x=1,y=2,z=3
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OSWAAL PUBLICATION-DETERMINANTS-TOPIC-2 SOLUTIONS OF SYSTEM OF LINEAR EQUATIONS (LONG ANSWER TYPE QUESTIONS -II )
  1. Solve by matrix Method: x+2y+3z=2 2x+3y+z=-1 x-y-z=-2

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  2. 2x +3y + 3z =5 , x -2y +z=-4 , 3x - y-2z = 3

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  3. Solve the following system of equation by using matrix method : x+y+...

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  4. Solve the following system of equations by matrix method.3x 2y + 3z= ...

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  5. If A=((2,-3,5),(3,2,-4),(1,1,-2)) find A^(-1). Use it to solve the sys...

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  6. Solve the following system of linear equations by matrix method. x-y...

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  7. The sum of three numbers is 6. If we multiply third number by 3 and...

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  8. If A=[(1,2,-3),(2,3,2),(3,-3,-4)] then find A^-1 and hence solve the f...

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  9. Determine the product [ (-4 4 4), (-7 1 3) and (5 -3 -1)] [(1 -1 1),(...

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  10. Given A=[2 2-4-4 2-4 2-1 5],B=[1-1 0 2 3 4 0 1 2], find BA and use thi...

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  11. IF A={:[(1,2,5),(1,-1,-1),(2,3,-1):}] find A^-1 Hence solve the follow...

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  12. Using matrices, solve the following system of linear equations: x\...

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  13. Solve the following system of equations by matrix method :x+y-z=3 , 2x...

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  14. Using matrices, solve the following system of linear equations: x-y+...

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  15. 3x-4y+2z=-1 2x+3y+5z=7 x+z=2

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  16. If A=[(1,-2,0),(2,1,3),(0,-2,1)] and B=[(7,2,-6),(-2,1,-3),(-4,2,5)] ,...

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  17. Using matrix method, solve the following system of equations: 2/x+...

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  18. 4x+3y+2z=60 x+2y+3z=45 6x+2y+3z=70

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  19. Using matrices, solve the following system of equations : x+2y+z=7 , x...

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  20. Use product [1-1 2 0 2-3 3-2 4]\ \ [-2 0 1 9 2-3 6 1-2] to solve th...

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