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यदि A = [(1,sin theta,1),(-sin theta,1,s...

यदि `A = [(1,sin theta,1),(-sin theta,1,sin theta),(-1,-sin theta,1)]` तो सभी `theta in ((3pi)/(4), (5pi)/(4))` के लिए det(A) निम्न में से किस अंतराल में स्थित है

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