If A is a square matrix of order 3, then consider the following statements I : If |A|= 0 then |\Adj A |=0 II: If |A|\neq 0 then |A^{-1}|=|A^{-1}| Which of the above statement is/are true?

Correct Answer is : Both I and II

AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 5 of 160

Marks: +1, -0

If A is a square matrix of order 3, then consider the following statements
I : If |A|=0 then |Adj‌A|=0
II: If |A|≠0 then |A−1|=|A−1|
Which of the above statement is/are true?

Both I and II
Neither I nor II
I only
II only

Validate

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