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If A=[(2, 3),( 5,-2)], write A^(-1)...

If `A=[(2, 3),( 5,-2)],` write `A^(-1)`

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If the mapping f:{1,\ 3,\ 4}->{1,\ 2,\ 5} and g:{1,\ 2,\ 5}->{1,\ 3} , given by f={(1,\ 2),\ (3,\ 5),\ (4,\ 1)} and g={(2,\ 3),\ (5,\ 1),\ (1,\ 3)} , write fogdot

Write A^-1 for A=[(2,5),(1,3)]

If |A| = 3 and A^-1 = [(3 -1), (-5/3 2/3)] then write the adj A.

Let f: {1, 3, 4}-> {1, 2, 5} and g: {1, 2, 5} ->{1, 3} be given by f = {(1, 2), (3, 5), (4, 1)} and g = {(1, 3), (2, 3), (5, 1)} . Write down gof .

The adjoint of the matrix [(2,5),(3,1)] is (A) [(2,5),(3,1)] (B) [(1,-5),(-3,2)] (C) [(1,-3),(-5,2)] (D) [(-1,3),(5,-2)]

RD SHARMA ENGLISH-ADJOINTS AND INVERSE OF MATRIX-All Questions
  1. If A=[(a , b),( c, d)] , B=[(1 ,0),( 0, 1)] , find a d j\ (A B) .

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  2. If A=[(3, 1) , ( 2 ,-3)] , then find |a d j\ A| .

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  3. If A=[(2, 3),( 5,-2)], write A^(-1)

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  4. Write A^(-1) for A=[(2, 5) ,( 1 , 3)]

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  5. Use elementary column operation C2->C2+2C1 in the following matrix equ...

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  6. If A is an invertible matrix, then which of the following is not tru...

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  7. If A is an invertible matrix of order 3, then which of the following...

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  8. If A=[(3, 4),( 2,4)] , B=[(-2,-2),( 0,-1)] , then (A+B)^(-1) (a) is a...

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  9. If A=[[a, b],[ c ,d]] , then a d j\ A is (a) [[-d,-b],[-c, a]] (b) [[d...

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  10. If A is a singular matrix, then adj A is a. Singular b. non singular...

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  11. If A, B are two n xx n non-singular matrices, then (1) AB is non-singu...

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  12. If A=[(a , 0) ,(0 ,a)] , then the value of |a d j\ A| is ?

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  13. If A= [ [1, 2] , [-1, 1]] , then det (a d j\ A)) is ?

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  14. If B is a non-singular matrix and A is a square matrix, then det (B^(-...

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  15. For any 2xx2 matrix, if A\ (a d j\ A)=[[10 ,0 ],[0 ,10]] , then |A| is...

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  16. If A^5=O such that A^n != I for 1 <= n <= 4, then (I - A)^-1 is equal ...

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  17. If A satisfies the equation x^3-5x^2+4x+lambda=0 , then A^(-1) exists ...

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  18. If for the matrix A ,\ A^3=I , then A^(-1)=(a)A^2 (b) A^3 (c) A (d) no...

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  19. If Aa n dB are two square matrices such that B=-A^(-1)B A ,t h e n(A+B...

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  20. If A=[(2 ,0 ,0),( 0 ,2 ,0),( 0 ,0 ,2)] , then A^5= (a) 5A (b) 10 A (c...

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