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Show that the equations: x+y+z=6,x+2y+3z...

Show that the equations: `x+y+z=6,x+2y+3z=14,x+4y+7z=30` are consistent and solve them.

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FULL MARKS-APPLICATIONS OF MATRICES AND DETERMINANTS-ADDITIONAL QUESTIONS SOLVED
  1. Verify whether the given system is consistent. If it is consistent, s...

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  2. Examine the consistency of the equations. 2x-3y+7z=5,3x+y-3z=13,2x+1...

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  3. Show that the equations: x+y+z=6,x+2y+3z=14,x+4y+7z=30 are consistent ...

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  4. Discuss the solutions of the system of equations for all values of lam...

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  5. For what values of k, the system of equations kx+y+z=1,x+ky+z=1,x+y+kz...

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  6. Solve the following homogeneous linear equations. x+2y-5z=0,3x+4y+6z...

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  7. For what value of mu the equations. x+y+3z=0,4x+3y+muz=0,2x+y+2z=0 h...

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  8. A=[a(ij)](mxxn) is a square matrix if …………

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  9. Matrices A and B will be inverse of each only if ……………

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  10. If A is an invertible matrix of order 2 thaen det (A)^(-1) is equal to

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  11. Given A=({:(1,-2),(-5,7):}) then A (adj A) =…………..

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  12. The inverse of ({:(2,1),(4,2):}) is ……………

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  13. Given rho(A,B)nerho(A)lt number of unknowns, then the system has. …………...

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  14. Given rho(A,B)nerho(A)lt number of unknowns, then the system has. …………...

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  15. Given rho(A,B)nerho(A)lt number of unknowns, then the system has. …………...

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  16. The rank of the matrix [{:(1,2,3),(2,4,6),(3,6,9):}] is ……………….

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  17. If the rank of the matrix ({:(1,0,-1),(2,5,lamda),(3,6,9):}) is 3, the...

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  18. If A = [2 0 1] then the rank of "AA"^(T) is …………..

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  19. If the rank of the matrix [(lambda,-1,0),(0, lambda,-1),(-1,0,lambda)]...

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  20. If A is a scalar matrix with scalar kne0, of order 3, then A^(-1) is …...

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