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Find the value of x, given that: A^2=B, ...

Find the value of x, given that: `A^2=B, A=[{:(,2,12),(,0,1):}] and B=[{:(,4,x),(,0,1):}]`

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The correct Answer is:
`x=36 `
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ICSE-MATRICES-Exercise 9D
  1. If A=[{:(,0,-1),(,4,-3):}], B=[{:(,-5),(,6):}] and 3A xx M=2B, find ma...

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  2. If [{:(,a,3),(,4,1):}]+[{:(,2,b),(,1,-2):}]-[{:(,1,1),(,-2,c):}] =[{:(...

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  3. If A=[{:(,1,2),(,2,1):}] and B=[{:(,2,1),(,1,2):}] find : (i) A(BA) ...

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  4. Find x and y, if : [{:(,x,3x),(,y,4y):}] [{:(,2),(,1):}]=[{:(,5),(,12)...

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  5. If matrix X=[{:(,-3,4),(,2,-3):}] [{:(,2),(,-2):}] and 2X-3Y=[{:(,10),...

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

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  7. Find the value of x, given that: A^2=B, A=[{:(,2,12),(,0,1):}] and...

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  8. If A=[{:(,2,5),(,1,3):}], B=[{:(,4,-2),(,-1,3):}] and I is the identif...

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

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

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  11. Let A=[{:(,1,0),(,2,1):}], B=[{:(,2,3),(,-1,0):}]. Find A^2+AB+B^2

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  12. If A=[{:(,3,a),(,-4,8):}], B=[{:(,c,4),(,-3,0):}] , C=[{:(,-1,4),(,3,b...

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  13. Given A=[{:(,p,0),(,0,2):}], B=[{:(,0,-q),(,1,0):}], C=[{:(,2,-2),(,2,...

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

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  15. Evaluate : [{:(,4 sin 30^@ 2 cos 60^@), (,sin 90^@ 2 cos 0^@):}] ...

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  16. If A=[{:(,3,1),(,-1,2):}] and I=[{:(,1,0),(,0,1):}],find A^2-5A+7I.

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  17. Given A=[{:(,2,0),(,-1,7):}] and I=[{:(,1,0),(,0,1):}] and A^2 =9A+mI....

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  18. Given matrix A=[{:(,4sin30^@ cos 0^@),(,cos 0^@ 4 sin 30^@):}] and B=...

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  19. If A=[{:(,1,3),(,3,4):}], B=[{:(,-2,1),(,-3,2):}] and A^2-5B^2=5C. fin...

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  20. Given matrix B=[{:(,1,1),(,8,3):}]. Find the matrix X if, X=B^2-4B. He...

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