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Solve Expand (x + 2)^8 using the binomial theorem. — Step-by-Step Solution by AhaStep | AhaStep

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📐 MathLevel 6 — 🔵 Intermediatecombinatorics👁 20 views⏱ 1 min read

Solve Expand (x + 2)^8 using the binomial theorem. — Step-by-Step Solution by AhaStep

📝 Problem

Expand (x + 2)^8 using the binomial theorem.

✨Detailed Solution

1. Khai triển nhị thức Newton cho (1x +2)^8

Công thức: (a+b)^n = Σ C(n,k) * a^(n-k) * b^k

Kết quả: 1x^8 + 16x^7 + 112x^6 + 448x^5 + 1120x^4 + 1792x^3 + 1792x^2 + 1024x + 256

🔒 1 steps remaining

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1. Khai triển nhị thức Newton cho (1x +2)^8

Công thức: (a+b)^n = Σ C(n,k) * a^(n-k) * b^k

Kết quả: 1x^8 + 16x^7 + 112x^6 + 448x^5 + 1120x^4 + 1792x^3 + 1792x^2 + 1024x + 256

🔒 1 steps remaining

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