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Find the inverses of the following matri...

Find the inverses of the following matrices by adjoint method :
`(1) {:((1,2),(2,3)):}" "(2){:((5,4),(3,2)):}" "(3){:((3,-2),(6,8)):}" "(4){:((2,-3),(3,5)):}`.

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`(1) {:((-3,2),(2,-1)):}" "(2)1/2{:((-2,4),(3,-5)):}" "(3)1/36{:((8,2),(-6,3)):}" "(4)1/19{:((5,3),(-3,2)):}`.
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Find the inverses of the following matrices (if they exist) : (1) {:((1,3),(2,7)):}" "(2) {:((2,1),(7,4)):}" "(3) {:((1,-1),(2,3)):}" "(4) {:((3,-10),(2,-7)):}

Find the inverse of each of the following matrices, by using adjoint method : {:((1,-1,2),(2,3,5),(-2,0,1)):}"

Find the adjoints of the following matrices : (1) {:((1,3),(-2,4)):}" "(2) {:((5,6),(3,4)):} .

Find the inverse of the following matrices if exist : (i) |{:(5,-3),(2,2):}| (ii) |{:(1,-3),(-1,2):}| (iii) |{:(1,0,-1),(3,4,5),(0,-6,-7):}| (iv) |{:(1,-3,3),(2,2,-4),(2,0,2):}| (v) |{:(1,2,1),(1,-1,-2),(1,2,-1):}| (vi) |{:(4,-2,-1),(1,1,-1),(-1,2,4):}|

Find the inverse of each of the following matrice : [{:(-1,5),(-3,2):}]

Find the inverse of each of the following matrice : [{:(2,-2),(4,3):}]

Find the adjoint of the following matrices : [{:(2,3),(1,4):}]

Find the adjoint of the following matrices : [{:(2,-1),(4,3):}]

Find the inverse of each of the matrices given below : [(3,-5),(-1,2)]

Find the inverse of each of the matrices given below : [(4,1),(2,3)]

NAVNEET PUBLICATION - MAHARASHTRA BOARD-MATRICES-Examples for Practice
  1. If A= {:((3a,2b),(-a,b)):}and B = {:((-a,b),(2a,2b)):}, then find a ma...

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  2. Find the inverse of each of the following matrices : {:((1,5,2),(0,-1...

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  3. Find the inverse of the matrix {:((1,0,1),(0,2,3),(1,2,1)):} by using...

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  4. Find the adjoints of the following matrices : (1) {:((1,3),(-2,4))...

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  5. Find the inverses of the following matrices by adjoint method : (1) ...

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  6. Find the inverse of each of the following matrices, by using adjoint m...

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  7. If A = {:((1,-1,2),(3,0,-2),(1,0,3)):}, verify that A (adj A) = |A|* I...

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  8. Solve the following equations by reduction method : 2x + 3y = 9, y...

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  9. Solve the following equations by reduction method : x + y = 2, 3x +...

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  10. Solve the following equations by reduction method : 2x - y = -2, 3x...

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  11. Solve the following equations by inverse method : 2x + y = 5, 3x + 5...

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  12. Solve the following equations by reduction method : x - y + z = 4, 2x ...

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  13. The sum of three numbers is 9 . If we multiply third number by 3 and...

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  14. The sum of three numbers is 6 . When second number is subtracted from ...

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  15. The cost of 2 books, 6 notebooks and 3 pens is Rs. 40. The cost of 3 ...

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  16. Solve the following equations by inverse method : 2x +5y = 1, 3x + ...

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  17. Solve the following equations by inverse method : 2x + y = 5, 3x + 5...

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  18. Using matrices, solve the following system of equations: x\ -\ y+z...

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  19. Solve the following equations by inverse method : x + 3y + 3z = 12, ...

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  20. Solve the following equations by inverse method : x + z = -1 , y +z ...

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