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Simplify cosx[[cosx,sinx],[-sinx,cosx]...

Simplify
`cosx[[cosx,sinx],[-sinx,cosx]]+sinx[[sinx,-cosx],[cosx,sinx]]`

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MAXIMUM PUBLICATION-MATRICES-EXAMPLE
  1. Find the value of a,b and c from the following equations, [[a-b,2a...

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  2. Simplify cosx[[cosx,sinx],[-sinx,cosx]]+sinx[[sinx,-cosx],[cosx,sinx...

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  3. Solve the equation for x,y,z and t, if 2[[x,z],[y,t]]+3[[1,-1],[0,2]...

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  4. Find A^2-5A+6I if A=[[2,0,1],[2,1,3],[1,-1,0]]

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  5. If A=[[3,-2],[4,-2]] find k so that A^2=kA-2I

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  6. Express A=[[-1,2,3],[5,7,9],[-2,1,1]] as the sum of a symmetric and sk...

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  7. Find the inverse of the following using elementary transformations. A=...

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  8. Find the inverse of the following using elementary transformations. A=...

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  9. Find the inverse of the following using elementary transformations. A=...

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  10. Find the inverse of the following using elementary transformations. A=...

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  11. Find the inverse of the matrix A=[[2,3],[-1,5]] using row transformati...

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  12. A=[[2,3],[4,5],[2,1]] B=[[1,-2,3],[-4,2,5]] Find AB

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  13. A=[[2,3],[4,5],[2,1]] B=[[1,-2,3],[-4,2,5]] If C is the matrix obtai...

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  14. Construct a 3xx4 matrix whose elements are given by a(ij)=abs(-3i+j...

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  15. construct a 3xx4 matrix whose elements are given by a(ij)=2i+j

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  16. Express the following matrices as the sum of a Symmetric and a Skew Sy...

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  17. Express the following matrices as the sum of a Symmetric and a Skew Sy...

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  18. IF A=[[2,4,3],[1,0,6],[0,-2,-3]], Find 3A .

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  19. IF A=[[2,4,3],[1,0,6],[0,-2,-3]], Find A^T

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  20. IF A=[[2,4,3],[1,0,6],[0,-2,-3]], Evalute A+A^T , is it symmetric ? ...

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