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Find the matrix X so that X[[1 , 2, 3],...

Find the matrix `X` so that `X[[1 , 2, 3],[ 4, 5, 6]]=[[-7, -8, -9],[ 2, 4, 6]]`

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Find the values of x, y,z from the following equations i) [[4, 3 ], [x, 5]]=[[y , z], [1 , 5]] ii) [[x+y , 2] , [5+z, x y]]=[[6 , 2] , [5, 8]] iii) [[x+y+z], [x+z] , [y+z]]=[[9] , [5 ] ,[7]]

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BODY BOOKS PUBLICATION-MATRICES-EXERCISE
  1. Find the inverse of matrices [(1,-1),(2,3)]

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  2. sin^(-1)(1-x)-2sin^(-1)x= pi/2,then find x

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  3. Find the matrix X so that X[[1 , 2, 3],[ 4, 5, 6]]=[[-7, -8, -9]...

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  4. If [[x-y-z],[-y+z],[z]] = [[0],[5],[3]], then the values of x, y and z...

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  5. If B=[(2,3),(1,0)] find B^2

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  6. If A=[(x,1),(1,0)] ifA^2 is the identity matrix, then find x.

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  7. If U=[2 -3 4],V=[(3),(2),(1)] X=[0 2 3],Y=[(2),(2),(4)] then find UV,X...

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  8. What must be the matrix X if 2X+[(1,2),(3,4)]=[(3,8),(7,2)]

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  9. If [1" "x" "1] [(1,2,3),(0,5,1),(0,3,2)][(x),(1),(-2)]=0 then find the...

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  10. If A=[a(ij)](2xx2) where a(ij)=i+j, then A is equal to a)[(1,1),(2,2)]...

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  11. [(2,3),(3,4)] is a a)Symmetric matrix b)Skew-symmetric matrix c)null m...

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  12. If A=[(3,-2),(2,5)] and B=[(7,8),(-6,3)] then A+B is equal to-

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  13. If A=[(10,6),(-4,8)] and I2=[(1,0),(0,1)] then AI2 is equal to a)[(10...

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  14. If A is square matrix, A', is its transpose, then 1/2(A-A') is a)a S...

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  15. Let A and B be two symmetric matrices of same order. Then show that AB...

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  16. A=[[1,2,2],[2,1,2],[2,2,1]] , then Find 4A and A^2

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  17. A=[[1,2,2],[2,1,2],[2,2,1]] , then show that A^2-4A=5I3

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  18. If A=[(cos^2alpha,cosalphasinalpha),(cosalphasinalpha,sin^2alpha)] and...

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  19. Let A=[(0,a),(b,0)] Find A^2

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  20. Let A=[(0,a),(b,0)] If A^4=I2 then show that ab=1.

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