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Find x,y,a and b if [[3x+4y,2,x-2y],[a+b...

Find `x,y,a` and `b` if `[[3x+4y,2,x-2y],[a+b,2a-b,-1]]=[[2,2,4],[5,-5,-1]]`

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. Construct a 3xx4 matrix A=[a(i j)] whose elements a(i j) are given by:...

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  2. Construct a 4xx3 matrix A=[a(i j)] whose elements a(i j) are given by:...

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  3. Find x,y,a and b if [[3x+4y,2,x-2y],[a+b,2a-b,-1]]=[[2,2,4],[5,-5,-1]]

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  4. Find x ,\ y ,\ a and b if [(2x-3y ,a-b,3),(1,x+4y,3a+4b)]=[(1,-2, 3)...

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  5. Find the values of a ,\ b ,\ c and d from the following equations...

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  6. Find x ,\ y and z so that A=B , where A=[x-2 3 2z 18 z y+2 6z] , B=[y ...

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  7. If [(x,3x-y),(2x+z,3y-omega)]=[(3 ,2 ),(4 ,7)] , find x ,\ y ,\ z ,\ ...

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  8. If [(x-y ,z),(2x-y,omega)]=[(-1 ,4),( 0 ,5)] , find x ,\ y ,\ z ,\ om...

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

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  10. If [2x+1 5x0y^2+1]=[x+3 10 0 26] , find the value of (x+y) .

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  11. If [x y4z+6x+y]=[8w0 6] , then find the values of x ,\ y ,\ z\ a n ...

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  12. Give an example of (i) a row matrix which is also a column matrix (i...

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  13. The sales figure of two car dealers during January 2013 showed that...

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  14. For what values of x\ a n d\ y are the following matrices equal? A=...

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  15. Find the values of x\ a n d\ y if [(x+10 ,y^2+2y),(0,-4)]=[(3x+4,3),...

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  16. Find the values of a\ a n d\ b if A=B , where A=[a+4 3b8-6] , B=[2a+2b...

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  17. If A=[(2,3,4),(0,4,6), (5,8,9)] and B=[(3 ,0 ,5) ,(5 ,3 ,2), (0 ,4 ,7)...

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  18. If A=[(2 ,3,-5 ),(1, 2,-1)] and B=[(0, 5,1),(-2, 7, 3)] , find A+B ...

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  19. If A=[2-1 3 1] and B=[1 4 7 2] , find 3A-2Bdot

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  20. If A=[(1,0,0),(0,-1,0),(0,0,2)] and B=[(2,0,0),(0, 3,0),(0,0,-1)] , ...

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