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	<updated>2026-04-25T07:32:13Z</updated>
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		<title>Lukegao: by freem.ai...</title>
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		<updated>2026-01-14T05:29:41Z</updated>

		<summary type="html">&lt;p&gt;by freem.ai...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
{{DISPLAYTITLE:다항식 나머지 구하기}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;This conversation was exported from ChatGPT&amp;#039;&amp;#039;&amp;lt;ref&amp;gt;{{cite web|title=다항식 나머지 구하기|url=https://chatgpt.com/share/6966800a-dc98-800e-af77-c82407982594|publisher=ChatGPT|access-date=2026-01-14}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== gpt-5-2-instant ==&lt;br /&gt;
=== User: GPT, 이 문제를 풀어줄래?: $$Fx  x^{2029} - 3x^{2028} + 4x^{2027} - 5x^{2026} + 6x^{3} - 7x + 8$$을 $x^4 - 1$로 나눈 나머지 $Rx$를 구해줘. ===&lt;br /&gt;
GPT, 이 문제를 풀어줄래?: $$F(x) = x^{2029} - 3x^{2028} + 4x^{2027} - 5x^{2026} + 6x^{3} - 7x + 8$$을 $x^4 - 1$로 나눈 나머지 $R(x)$를 구해줘. ($\deg R \le 3$)&lt;br /&gt;
&lt;br /&gt;
=== Assistant: 핵심 아이디어는 ===&lt;br /&gt;
핵심 아이디어는&lt;br /&gt;
&lt;br /&gt;
x4≡1(modx4−1)x^4 \equiv 1 \pmod{x^4-1}x4≡1(modx4−1)&lt;br /&gt;
을 이용해 지수들을 4로 나눈 나머지만 남기는 것입니다.&lt;br /&gt;
나머지 R(x)R(x)R(x)는 차수가 3 이하인 다항식입니다.&lt;br /&gt;
&lt;br /&gt;
==== 1️⃣ 각 항을 ====&lt;br /&gt;
𝑥&lt;br /&gt;
4&lt;br /&gt;
−&lt;br /&gt;
1&lt;br /&gt;
x&lt;br /&gt;
4&lt;br /&gt;
−1로 정리&lt;br /&gt;
&lt;br /&gt;
지수들을 4로 나눈 나머지를 계산하면&lt;br /&gt;
* 2029≡1(mod4)2029 \equiv 1 \pmod{4}2029≡1(mod4) → x2029≡xx^{2029} \equiv xx2029≡x&lt;br /&gt;
* 2028≡0(mod4)2028 \equiv 0 \pmod{4}2028≡0(mod4) → x2028≡1x^{2028} \equiv 1x2028≡1&lt;br /&gt;
* 2027≡3(mod4)2027 \equiv 3 \pmod{4}2027≡3(mod4) → x2027≡x3x^{2027} \equiv x^3x2027≡x3&lt;br /&gt;
* 2026≡2(mod4)2026 \equiv 2 \pmod{4}2026≡2(mod4) → x2026≡x2x^{2026} \equiv x^2x2026≡x2&lt;br /&gt;
* x3x^3x3 그대로&lt;br /&gt;
* xxx 그대로&lt;br /&gt;
* 상수항 그대로&lt;br /&gt;
&lt;br /&gt;
따라서&lt;br /&gt;
&lt;br /&gt;
F(x)≡x−3⋅1+4x3−5x2+6x3−7x+8\begin{aligned}&lt;br /&gt;
F(x) &amp;amp;\equiv x - 3\cdot 1 + 4x^3 - 5x^2 + 6x^3 - 7x + 8 \\&lt;br /&gt;
\end{aligned}F(x)​≡x−3⋅1+4x3−5x2+6x3−7x+8​&lt;br /&gt;
&lt;br /&gt;
==== 2️⃣ 같은 차수끼리 정리 ====&lt;br /&gt;
* x3x^3x3: 4x3+6x3=10x34x^3 + 6x^3 = 10x^34x3+6x3=10x3&lt;br /&gt;
* x2x^2x2: −5x2-5x^2−5x2&lt;br /&gt;
* xxx: x−7x=−6xx - 7x = -6xx−7x=−6x&lt;br /&gt;
* 상수: −3+8=5-3 + 8 = 5−3+8=5&lt;br /&gt;
&lt;br /&gt;
==== 3️⃣ 최종 나머지 ====&lt;br /&gt;
&lt;br /&gt;
R(x)=10x3−5x2−6x+5\boxed{R(x) = 10x^3 - 5x^2 - 6x + 5}R(x)=10x3−5x2−6x+5​&lt;br /&gt;
차수도 333 이하로 조건을 정확히 만족합니다.&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&amp;lt;references /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Category:ChatGPT Shares]]&lt;br /&gt;
[[Category:openai]]&lt;/div&gt;</summary>
		<author><name>Lukegao</name></author>
	</entry>
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