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Let A=[[2,-1],[3,4]],B=[[5,4],[7,4]],C=[...

Let `A=[[2,-1],[3,4]],B=[[5,4],[7,4]],C=[[2,5],[3,8]]`. Find a matrix D such that `CD-AB=0`

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To find the matrix \( D \) such that \( CD - AB = 0 \), we can follow these steps: ### Step 1: Write down the matrices We have the matrices: \[ A = \begin{bmatrix} 2 & -1 \\ 3 & 4 \end{bmatrix}, \quad B = \begin{bmatrix} 5 & 4 \\ 7 & 4 \end{bmatrix}, \quad C = \begin{bmatrix} 2 & 5 \\ 3 & 8 \end{bmatrix} \] ...
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NCERT-MATRICES-SOLVED EXAMPLES
  1. If A=[(3,sqrt(3),2),(4,2,0)]and B=[(2,-1,2),(1,2,4)], verify that (i) ...

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  2. If A=[(-2),(4),(5)], B=[(1,3,-6)], verify that (A B)' = B'A'.

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  3. Let A=[[2,-1],[3,4]],B=[[5,4],[7,4]],C=[[2,5],[3,8]]. Find a matrix D ...

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  4. If A=[[1,-2, 3],[ 4, 2, 5]]and B=[[2, 4],[ 2,3],[ 5, 1]], then find AB...

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  5. Find AB, if A=[[6, 9],[ 2, 3]]and B=[[2 ,6, 0],[ 7, 9, 8]].

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  6. Two farmers Ramkishan and Gurcharan Singh cultivates only three varie...

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  7. Find the values of x and y from the following equation:2[[x,5],[ 7,y-...

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  8. If A=[[0, 6, 7],[-6, 0, 8],[ 7,-8, 0]], B=[[0, 1, 1],[ 1, 0, 2],[ 1, 2...

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  9. If A=[1 1-1 2 0 3 3-1 2], B=[1 0-13 2 4]and C=[1 2 3-4 2 0-2 1], find ...

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  10. Find AB, if A=[[0,-1],[ 0, 2]]and B=[[3, 5],[ 0, 0]].

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  11. If A=[[1,0],[ 0,-1]]and B=[[0, 1],[ 1 ,0]], then A B=[[0,1],[-1, 0]]an...

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  12. In a legislative assembly election, a political group hired a public ...

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  13. If A=[[1,2, 3],[ 3,-2 ,1],[ 4, 2, 1]], then show that A^3-23 A-401=0.

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  14. If A=[[8,0],[4,-2],[3,6]]and B=[[2,-2],[4,2],[-5,1]], then find the ma...

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  15. Find X and Y, if X+Y=[[5,2],[0,9]]and X-Y=[[3,6],[0,-1]].

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  16. If [[x+3,z+4,2y-7],[-6,a-1,0],[b-3,-21,0]]=[[0,6,3y-2],[-6,-3,2c+2],[2...

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  17. Find the values of a, b, c, and d from the following equation:[[2a+b,...

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  18. Given A=[[sqrt(3),1,-1],[2, 3, 0]]and B=[[2, sqrt(5),1],[-2,3, 1/2]], ...

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  19. If A=[[1,2,3],[2,3,1]]and B=[[3,-1,3],[-1,0,2]], then find 2A-B.

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  20. Consider the following information regarding the number of men and wo...

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