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Find the inverse of matrices [(1,-1),(2,...

Find the inverse of matrices `[(1,-1),(2,3)]`

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BODY BOOKS PUBLICATION-MATRICES-EXERCISE
  1. If [(2,-1),(1,0),(-3,4)] A=[(-1,-8,-10),(1,-2,-5),(9,22,15)] Find the ...

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  2. If [(2,-1),(1,0),(-3,4)] A=[(-1,-8,-10),(1,-2,-5),(9,22,15)] Find the ...

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  3. Find the inverse of matrices [(1,-1),(2,3)]

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

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

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

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

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

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

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

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

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  13. [(2,3),(3,4)] is a a)Symmetric matrix b)Skew-symmetric matrix c)null m...

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

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

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

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

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

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

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

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