Consider matrix A. Does the inverse of matrix A exist?

Select answers from the drop-down menus to correctly complete the statements.

dropdown options #1

-all entries are the same sign

-no two entries are equal

-the determinant does not equal zero

drop down #2

-does exist

-does not exist

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1 Answer

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  • Alan
    Lv 7
    1 month ago
    Favourite answer

    drop down one 

    the determinant does not equal zero

    drop down #2

    -does not exist

    why the determinant = 1*1 - 1*1 = 0  

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