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FindA, if [{:(4),(1),(3):}]A=[{:(-4,8,4)...

FindA, if `[{:(4),(1),(3):}]A=[{:(-4,8,4),(-1,2,1),(-3,6,3):}]`

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We have, `[{:(4),(1),(3):}]_(3xx1)A=[{:(-4,8,4),(-1,2,1),(-3,6,3):}]_(3xx3)`
`rArr [{:(4x,4y,4z),(x,y,z),(3x,3y,3z):}]=[{:(-4,8,4),(-1,2,1),(-3,6,3):}]` lt
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NCERT EXEMPLAR ENGLISH-MATRICES-Solved example
  1. Show that A=[(5, 3),(-1,-2)] satisfies the equation x^2-3x-7=0 . Thus,...

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  2. if[{:(2,1),(3,2):}]A[{:(-3,2),(5,-3):}]=[{:(1,0),(0,1):}],"then" A=?

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  3. FindA, if [{:(4),(1),(3):}]A=[{:(-4,8,4),(-1,2,1),(-3,6,3):}]

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

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

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  6. Give an example of two non-zero 2xx2 matrices A and B such that A B...

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  7. Given A=[{:(2,4,0),(3,9,6):}] "and" B=[{:(1,4),(2,8),(1,3):}], is (AB)...

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  8. Solve for x and y , x[{:(2),(1):}]+y[{:(3),(5):}]+[{:(-8),(-11):}]=0.

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  9. If X and Y are 2xx2 matrices, then solve the following matrix equat...

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  10. If A=[3 5],B=[7 3], then find a non-zero matrix C such that AC=BC.

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  11. Give an example of three matrices A ,\ B ,\ C such that A B=A C but...

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

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  13. If P=[x0 0 0y0 0 0z] and Q=[a0 0 0b0 0 0c] , prove that P Q=[x a0 0 0y...

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  14. If [2 1 3] [{:(-1,0,-1),(-1,1,0),(0,1,1):}][{:(1),(0),(-1):}]=A, then ...

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

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  16. If A=[{:(1,0,-1),(2,1,3),(0,1, 1):}] then verify that A^(2)+A=A(A+I) ,...

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  17. If A=[{:(0,-1,2),(4,3,-4):}] and B=[{:(4,0),(1,3),(2,6):}] then verify...

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  18. If A=[{:(1,2),(4,1),(5,6):}] and B=[{:(1,2),(6,4),(7,3):}], then varif...

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  19. Show that A' A and A A' are both symmetric matrices for any matrix A.

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  20. Let A and B be square matrices of the order 3xx3 . Is (A B)^2=A^2B^...

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