Home
Class 12
MATHS
Solve system of linear equations, using ...

Solve system of linear equations, using matrix method, `x y" "+" "2z" "=" 7"` `3x" "+" "4y" "" "5z" "=" "" "5` `2x y" "+" "3" "z=" "12`

Text Solution

Verified by Experts

The correct Answer is:
` a=-4,b=1`
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    NCERT GUJARATI|Exercise EXERCISE 4.6|16 Videos

  • DETERMINANTS

    NCERT GUJARATI|Exercise Miscellaneous Exercises on Chapter 4|18 Videos

  • DETERMINANTS

    NCERT GUJARATI|Exercise EXERCISE 4.4|5 Videos

  • CONTINUITY AND DIFFERENTIABILITY

    NCERT GUJARATI|Exercise MISCELLANEOUS EXERCISE ON CHAPTER 5|23 Videos

  • DIFFERENTIAL EQUATIONS

    NCERT GUJARATI|Exercise MISCELLANEOUS EXERCISE|18 Videos

Similar Questions

Explore conceptually related problems

Solve system of linear equations , using matrix method if exists 5x-7=2 7x-5y=3

Solve system of linear equations , using matrix method if exists 3x-y=5 6x-2y=3

Solve system of linear equations , using matrix method if exists 3x+y=4 6x+2y=8

Solve system of linear equations, using matrix method in examples 7 to 14 5x+2y=4 7x+3y=5

Solve system of linear equations, using matrix method in examples 7 to 14 5x+2y=3 3x+2y=5

Solve system of linear equations, using matrix method in examples 7 to 14 4x-3y=3 3x-5y=7

Solve system of linear equations, using matrix method in examples 7 to 14 2x-y=-2 3x+4y=3

NCERT GUJARATI-DETERMINANTS -EXERCISE 4.5
  1. Find the adjoint of each of the matrices in questions 1 and 2. [{:(1...

    Text Solution

    |

  2. Find the adjoint of the matrices [{:(1,-1,2),(2,3,5),(-2,0,1):}]

    Text Solution

    |

  3. Verify A (adj A) = ( adj A) A= |A| I in Excercises 3 and 4 {:[( 2,3),...

    Text Solution

    |

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

    Text Solution

    |

  5. Find the inverse of each of the matrices (if it exists ) {:[( 2,-2),...

    Text Solution

    |

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

    Text Solution

    |

  7. Find the inverse of each of the matrices (if it exists ) {:[( 1,2,3),...

    Text Solution

    |

  8. Find the inverse of each of the matrices (if it exists ) {:[( 1,0,0)...

    Text Solution

    |

  9. Find the inverse of each of the matrices (if it exists ) {:[( 2,1,3...

    Text Solution

    |

  10. Find the inverse of each of the matrices given below : Computer (A...

    Text Solution

    |

  11. Find the inverse the matrix (if it exists)given in[0 0 0 0cosalphasina...

    Text Solution

    |

  12. Let A=[3 7 2 5]and B=[6 8 7 9]. Verify that (A B)^(-1)=B^(-1)A^(-1).

    Text Solution

    |

  13. if A=[{:(3,1),(-1,2):}],show that A^(2)-5A+7I=0.

    Text Solution

    |

  14. Solve system of linear equations, using matrix method, x y" "+" "2...

    Text Solution

    |

  15. For the matrix A=[1 1 1 1 2-3 2-1 3] . Show that A^3-6A^2+5A+11\ I3=O ...

    Text Solution

    |

  16. If A=[2-1 1-1 2-1 1-1 2] . Verify that A^3-6A^2+9A-4I=O and hence find...

    Text Solution

    |

  17. Let A be a nonsingular square matrix of order 3xx3.Then |adj A| is equ...

    Text Solution

    |

  18. If A is an invertible matrix of order 2, then det (A^(-1))is equal to...

    Text Solution

    |