Hướng dẫn giải một số bài toán "Phân Tích Đa Thức Thành Nhân Tử" nâng cao

Hướng dẫn giải một số bài toán "Phân Tích Đa Thức Thành Nhân Tử" nâng cao

Hướng dẫn giải một số bài toán "Phân Tích Đa Thức Thành Nhân Tử" nâng cao

Posted: 19 Oct 2020 08:37 PM PDT

Giải: 1,2,3 giống nhau nên T chỉ giai 1 bài mẫu thôi: câu 2: a4+4b4=a4+4a2b2+4b4-4a2b2=(a2+2b2)2-4a2b2 =(a2+2b2)2-(2ab)2=(a2+2b2-2ab)(a2+2b2+2ab) 4,5 giống nhau nên T giải số...

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