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[" If "A=[[1,-1],[-1,1]]" then prove tha...

[" If "A=[[1,-1],[-1,1]]" then prove that "A^(2)=2A],[" यदि आव्यूह "A=[[1,-1],[-1,1]]" तो सिद करें कि "A^(2)=2A]

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