Q8·Section I (General (compulsory))·8 of 84A′A=IA'A=IA′A=I gives (detA)2=1(\det A)^2=1(detA)2=1If A is orthogonal matrix, then: OptionsAdetA=±1\det A=\pm1detA=±1BdetA=1\det A=1detA=1CdetA=0\det A=0detA=0DdetA≠1\det A\ne1detA=1Pick an option to check your answer.Show answerShow solution Report a problem with this question← Q7All questionsQ9 →Keyboard: A–D answer · S solution · ←/→ previous/next