Multiple Choice Questions on A rsquo is the transpose of A A square matrix A is called orthogonal if ........ for NDA Exam Preparation

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Multiple Choice Questions

A rsquo is the transpose of A A square matrix A is called orthogonal if ........

Mathematics (NDA) Matrices and Determinants
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    A’ is the transpose of A .A square matrix A is called orthogonal if

    A = A2

    Incorrect Answer

    A’ = A–1

    Correct Answer

    A = A–1

    Incorrect Answer

    A = A’

    Incorrect Answer
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    Explanation:

    If A–1=A', then A is orthogonal matrix.
    Hence option2 is correct.

    By: Munesh Kumari
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