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Find x and y, if : (i) [{:(,4,3x),(,x,...

Find x and y, if :
(i) `[{:(,4,3x),(,x,-2):}] [{:(,5),(,1):}]=[{:(,y,8):}]`
(ii) `[{:(,x,0),(,-3,1):}] [{:(,1,1),(,0,y):}]=[{:(,2,2),(,-3,-2):}]`

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The correct Answer is:
(i) x=2 , y=26 (ii) x=2, y=1
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ICSE-MATRICES-Exercise 9C
  1. If A=[{:(,0,2),(,5,-2):}], B=[{:(,1,-1),(,3,2):}] and is a unit matri...

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  2. If A=[{:(,3,x),(,0,1):}] and B=[{:(,9,16),(,0,-y):}] find x and y when...

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  3. Find x and y, if : (i) [{:(,4,3x),(,x,-2):}] [{:(,5),(,1):}]=[{:(,y,...

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  4. If A=[{:(,1,3),(,2,4):}], B=[{:(,1,2),(,4,3):}] and C=[{:(,4,3),(,1,2)...

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  5. Given A=[{:(,0,4,6),(,3,0,-1):}] and B=[{:(,0,1),(,-1,2),(,-5,-6):}], ...

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  6. Let A=[{:(,2,1),(,0,-2):}], B=[{:(,4,1),(,-3,-2):}] and C=[{:(,-3,2),(...

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  7. If M=[{:(,1,2),(,2,1):}] and I is a unit matrix of the same order as t...

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  8. If A=[{:(,a,0),(,0,2):}], B=[{:(,0,-b),(,1,0):}], M=[{:(,1,-1),(,1,1):...

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  9. Given A=[{:(,4,1),(,2,3):}] and B=[{:(,1,0),(,-2,01):}], Find (i) A-...

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  10. If A=[{:(,1,4),(,1,-3):}] and B=[{:(,1,2),(,-1,-1):}], find: (A+B)...

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  11. Find the matrix A, if B=[{:(,2,1),(,0,1):}] and B^2=B+1/2A.

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  12. If A=[{:(,-1,1),(,a,b):}] and A^2=I, find a and b.

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  13. If A=[{:(,2,1),(,0,0):}], B=[{:(,2,3),(,4,1):}] and C=[{:(,1,4),(,0,2)...

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  14. If A=[{:(,1,4),(,2,1):}], B=[{:(,-3,2),(,4,0):}] and C=[{:(,1,0),(,0,2...

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  15. Solve for x and y (i) [{:(,2,5),(,5,2):}] [{:(,x),(,y):}]=[{:(,-7),(...

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  16. In each case given below, find : the order of matrix M, (i) M ...

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  17. If A=[{:(,2,x),(,0,1):}] and B=[{:(,4,36),(,0,1):}], find the value of...

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  18. If A=[{:(,3,7),(,2,4):}], B=[{:(,0,2),(,5,3):}] and C=[{:(,1,-5),(,-4,...

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  19. If A and B are any two 2 xx 2 matrices such that AB=BA=B and B is not ...

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  20. Given A=[{:(,3,0),(,0,4):}], B=[{:(,a,b),(,0,c):}] and AB=A+B, find t...

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