Multiple Choice Questions on Find the top row of the cofactor of a matrix A ........ for NDA Exam Preparation

Back to Main Page

Multiple Choice Questions

Find the top row of the cofactor of a matrix A ........

Mathematics (NDA) Matrices and Determinants
    Download Solution PDF

    Find the top row of the cofactor of a matrix   A =\begin{bmatrix} 3 & 2 & 0\\ -2 & 6 & 1\\ 2 & 0 & 1 \end{bmatrix}

    [  3   4   2  ]

    Incorrect Answer

     [ 6  2     12]

    Incorrect Answer

     [  6  4   -12  ]

    Correct Answer

    [  2   3    22]

    Incorrect Answer
    छोटे Courses बड़े Results
    Master Matrices and Determinants
    Prepare through Micro-courses
    Try Now
    Explanation:

     

    A1 1   = 6-0=6

    A12   =  -(-2 -2)=4

    A13   = -12

    A2 1  =  -(2)

    A2 2  =  3-0   =3

    A2 3  =  -(0-4)=4

    A31  = 2-0=2

    A 32 =  -(3)  =-3

    A33  = (18  -(-4))=22

    The top row is [  6  4   -12  ]

    By: bhavesh kumar singh
    ProfileResources

    Let's Discuss

    Master
    Matrices and Determinants
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free