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যদি A=[[a,b],[c,d]] তাহলে A^(2) সমান | শ...

যদি A=[[a,b],[c,d]] তাহলে A^(2) সমান | শ্রেণী 12 | বর্গাকার মূল এবং ঘনক মূল | গণিত | ডাউটনাট

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