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सिद्ध करे की theta के प्रत्येक मान के लि...

सिद्ध करे की `theta` के प्रत्येक मान के लिए ` a = [{:(1,sintheta , 1),(-sin theta ," "1,sin theta ),(-1,-sin theta ,1):}]` एक व्यत्क्रमणीय आव्यूह है ।

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