Mathematics

11th -

12th

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Matrix & Determinants

677

15 questions

  • 1. Multiple Choice
    30 seconds
    1 pt

    1. A matrix A is both symmetric and skew symmetric if A is

    Null matrix

    unit matrix

    row matrix

    none of these

  • 2. Multiple Choice
    30 seconds
    12 pts

    If A and B are invertible matrix then (AB)-1 =

    A-1B-1

    AB

    B-1A-1

    none of these

  • 3. Multiple Choice
    30 seconds
    1 pt

    If A is any invertible matrix then A is

    square matrix

    non singular matrix

    both

    none of these

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