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Mathematics, 06.09.2021 08:00 Justus4215

Bài 34. Áp dụng phân tích đa thức thành nhân tử để chứng minh chia hết:
1) a2-a chia hết cho 2 ; 2) a3-a chia hết cho 3
3) a5-a chia hết cho 5 ; 4) a7-a chia hết cho 7
5)a3+3a2+2a chia hết cho
6)(n2+n-1)2-1 chia hết cho 24;
7) n3+6n+8n chia hết cho 48 với mọi n chẵn
8) n4-10n2+9 chia hết cho 384 với mọi n lẻ
9) n6+n4-2n2 chia hết cho 72;
10) 32n - 9 chia hết cho 72
11) n3 – n chia hết cho 6 với mọi số nguyên n

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Bài 34. Áp dụng phân tích đa thức thành nhân tử để chứng minh chia hết:
1) a2-a chia hết cho...
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