Multiple Choice Questions on If A is a square matrix then the value of adj AT ndash adj A T is equal to ........ for NDA Exam Preparation

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Multiple Choice Questions

If A is a square matrix then the value of adj AT ndash adj A T is equal to ........

Mathematics (NDA) Matrices and Determinants
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    If A is a square matrix, then the value of adj AT – (adj A)T is equal to

    A

    Incorrect Answer

    2 |A| I, where I is the identity matrix

    Incorrect Answer

    null matrix whose order is same as that of A

    Correct Answer

    unit matrix whose order is same as that of A

    Incorrect Answer
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    Explanation:

    Adj AT = (adjA)T => Adj AT – (adj A)T = 0

    By: Munesh Kumari
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