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Find the adjoint and inverse of each of ...

Find the adjoint and inverse of each of the following matrices :
A = `[(1,2,-1),(2,4,6),(1,1,-2)]`

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The correct Answer is:
x = 3, y = -2
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CHHAYA PUBLICATION-ADJOINT AND INVERSE OF A MATRIX AND SOLUTION OF LINEAR SIMULTANEOUS EQUATIONS BY MATRIX METHOD-LONG ANSWER TYPE QUESTIONS
  1. Find the adjoint and inverse of each of the following matrices : ((a...

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  2. Find the adjoint and inverse of each of the following matrices : A ...

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  3. Find the adjoint and inverse of each of the following matrices : A =...

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  4. Solve by matrix inversion method the equations in each of the followin...

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  5. Solve by matrix inversion method the equations in each of the followin...

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  6. Solve by matrix inversion method the equations in each of the followin...

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  7. Solve by matrix inversion method the equations in each of the followin...

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  8. Show that the equations 5x + 6y = 3 = 0 and 4y + x = 5 are consistent...

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  9. The order of the matrix A is 3×5 and that of order B is 2×3 then the o...

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  10. If A=[(alpha,0),(1,1)], B=[(1,0),(5,1)] then the value of alpha if A^2...

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  11. Solve by matrix inversion method the following system of equations. ...

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  12. Solve by matrix inversion method the following system of equations. ...

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  13. Solve by matrix inversion method the following system of equations. ...

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  14. Solve by matrix inversion method the following system of equations. ...

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  15. Solve by matrix inversion method the following system of equations. ...

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  16. Solve by matrix inversion method the following system of equations. (...

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  17. Solve by matrix inversion method the following system of equations. ...

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  18. Solve by matrix inversion method the following system of equations. ...

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  19. If A=[(1,0,0),(0,1,0),(0,0,1)] then A^2+2A=

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  20. If A is a 3×3 matrix and B is it's adjoint matrix. if |B|=64, then |A|...

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