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Nguyen Thi Gia Trinh
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2023-12-12 21:54:40
a, ( 2x + 1 ) 2
= (2x)2 + 2 . x. 1 + 1^2
= 4x^2 + 2x + 1
a, ( 2x + 1 ) 2
= (2x)2 + 2 . x. 1 + 1^2
= 4x^2 + 2x + 1