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Find x and y if x[[2],[3]]+y[[-1],[1]]...

Find x and y if
`x[[2],[3]]+y[[-1],[1]]=[[10],[5]]`

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BODY BOOKS PUBLICATION-MATRICES-EXERCISE
  1. If A=[(3,1),(-1,2)] . Show that A^2-5A+7I=0 Hence find A^4 and A^-1 ...

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  2. Using elementary row operations, find the inverse of the matrix [[1,...

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  3. Find x and y if x[[2],[3]]+y[[-1],[1]]=[[10],[5]]

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  4. Express the matrix [[2,-2,-4],[-1,3,4],[1,-2,-3]] as the sum of a ...

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  5. The value of k such that matrix [[1,k],[-k,1]] is symmetric if

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  6. If A=[[costheta,sintheta],[-sintheta,costheta]] then prove that A^2...

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  7. If A=[[1,3],[4,1]] , then find abs(3A^T)

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  8. If A=[[0,1],[0,0]] ,B=[[1,0],[0,0]], then BA=

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  9. Write A=[[3,5],[1,-1]] as the sum of a symmetric and a skew symmetric ...

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  10. Find the inverse of A=[[2,-6],[1,-2]]

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  11. Choose the correct statement related to the matrices A=[[1,0],[0,1]]...

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  12. IfM=[[7,5],[2,3]],then verify the equation M^2-10M+11I2=0

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  13. Consider the matrices A=[[1,-2],[-1,3]] and B=[[a,b],[c,d]] If AB=...

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  14. Let A=[(2,4),(1,-3)] and B=[(1,-1,5),(0,2,6)] Find AB.

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  15. Let A=[(2,4),(1,-3)] and B=[(1,-1,5),(0,2,6)]Is BA defined? Justify yo...

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  16. If A=[[3,1],[-1,2]] then Find A^2

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  17. If A=[[3,1],[-1,2]] then Hence show that A^2-5A+7I=0

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  18. If A is a square matrix such that A^2=A, then (I+A)^2-3A is equal to ...

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  19. Find A^2-5A+6I if A=[(2,5,8),(6,0,5),(0,-2,0)]

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  20. Consider the matrices A=[(2,1,3),(2,3,1),(1,1,1)] and B=[(-1,2,3),(-2,...

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