โน๏ธ Skipped - page is already crawled
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|---|---|---|---|
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| Age cutoff | FAIL | download_stamp > now() - 6 MONTH | 7.8 months ago |
| History drop | PASS | isNull(history_drop_reason) | No drop reason |
| Spam/ban | PASS | fh_dont_index != 1 AND ml_spam_score = 0 | ml_spam_score=0 |
| Canonical | PASS | meta_canonical IS NULL OR = '' OR = src_unparsed | Not set |
| Property | Value |
|---|---|
| URL | https://m.blog.naver.com/prayer2k/222443821523 |
| Last Crawled | 2025-08-24 13:16:45 (7 months ago) |
| First Indexed | not set |
| HTTP Status Code | 200 |
| Meta Title | ๋ฑ๋น์์ด ํฉ ๊ณต์ / ๋ฑ๋น์์ด ์ผ๋ฐํญ / ๋ฑ๋น, r, ๊ธฐํ๊ธ์์ / ๋ป๊ณผ ๊ฐ๋ : ๋ค์ด๋ฒ ๋ธ๋ก๊ทธ |
| Meta Description | null |
| Meta Canonical | null |
| Boilerpipe Text | 2, 4, 8, 16, 32, .... 2์ฉ ๊ณฑํด์ง๋ฉฐ ์ฆ๊ฐํ๋ ๋ฑ๋น์์ด์ด๋ค. 2๋ฅผ ๊ณต๋น๋ผ๊ณ ํ๋ค. โ ์ ๋ฑ๋น์์ด์ด๋ผ๊ณ ๋ถ๋ฅด๊ณ ๊ณต๋น์ ๋ป์ ๋ฌด์์ด๋ฉฐ, r๋ก ํํํ ๊น? ์ผ๋ฐํญ๊ณผ ํฉ์ ๊ณต์๊น์ง ๊ฐ๋ตํ๊ฒ~~ โ โ 1. ์์ด์ด๋, ์ผ์ ํ ๊ท์น์ ์ํด ๋์ด๋ ์์ ์ด์ด๋ค. โ ์์ด์ sequence, ๆธๅ ์ด๋ค. ์์ ๋์ด ์ด๋ค. ์ํ์์๋ ๊ท์น์ด ์๋ ์์ด์ ๋ค๋ฃฌ๋ค. |
| Markdown |  
[๋ณธ๋ฌธ ๋ฐ๋ก๊ฐ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523#ct)
# [๋ธ๋ก๊ทธ](https://m.blog.naver.com/Recommendation.naver)
## [์นดํ
๊ณ ๋ฆฌ ์ด๋](https://m.blog.naver.com/prayer2k/222443821523) [(์๊ฐ) ์๋์ ์ํ์นดํ(ๆธๅญธ+ไฟฎๅญธ)](https://m.blog.naver.com/PostList.naver?blogId=prayer2k)
[๊ฒ์](https://m.blog.naver.com/PostSearchList.naver?blogId=prayer2k)
MY๋ฉ๋ด ์ด๊ธฐ
[์ํ ๊ฐ๋
ํ๋์ฉ\!](https://m.blog.naver.com/PostList.naver?blogId=prayer2k&categoryNo=13&logCode=0&categoryName=%EC%88%98%ED%95%99+%EA%B0%9C%EB%85%90+%ED%95%98%EB%82%98%EC%94%A9%21#postlist_block)
๋ฑ๋น์์ด ํฉ ๊ณต์ / ๋ฑ๋น์์ด ์ผ๋ฐํญ / ๋ฑ๋น, r, ๊ธฐํ๊ธ์์ / ๋ป๊ณผ ๊ฐ๋
[](https://m.blog.naver.com/PostList.naver?blogId=prayer2k)
[**์๋**](https://m.blog.naver.com/PostList.naver?blogId=prayer2k)
2021\. 7. 24. 13:28
[์ด์์ถ๊ฐ](https://m.blog.naver.com/prayer2k/222443821523)
๋ณธ๋ฌธ ๊ธฐํ ๊ธฐ๋ฅ
- **๋ณธ๋ฌธ ํฐํธ ํฌ๊ธฐ ์กฐ์ **
๋ณธ๋ฌธ ํฐํธ ํฌ๊ธฐ ์๊ฒ ๋ณด๊ธฐ
๋ณธ๋ฌธ ํฐํธ ํฌ๊ธฐ ํฌ๊ฒ ๋ณด๊ธฐ
๊ฐ
- [*๊ณต๊ฐํ๊ธฐ*](https://m.blog.naver.com/prayer2k/222443821523)
- [๊ณต์ ํ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523)
- [URL๋ณต์ฌ](https://m.blog.naver.com/prayer2k/222443821523)
- [์ ๊ณ ํ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523)
2, 4, 8, 16, 32, ....
2์ฉ ๊ณฑํด์ง๋ฉฐ ์ฆ๊ฐํ๋ ๋ฑ๋น์์ด์ด๋ค.
2๋ฅผ ๊ณต๋น๋ผ๊ณ ํ๋ค.
โ
์ ๋ฑ๋น์์ด์ด๋ผ๊ณ ๋ถ๋ฅด๊ณ
๊ณต๋น์ ๋ป์ ๋ฌด์์ด๋ฉฐ, r๋ก ํํํ ๊น?
์ผ๋ฐํญ๊ณผ ํฉ์ ๊ณต์๊น์ง ๊ฐ๋ตํ๊ฒ\~~
โ
โ
**1\. ์์ด์ด๋, ์ผ์ ํ ๊ท์น์ ์ํด ๋์ด๋ ์์ ์ด์ด๋ค.**
โ
**์์ด์ sequence, ๆธๅ**์ด๋ค.
**์์ ๋์ด**์ด๋ค.
์ํ์์๋ ๊ท์น์ด ์๋ ์์ด์ ๋ค๋ฃฌ๋ค.
[](https://m.blog.naver.com/prayer2k/222443821523)
โ
โ
โ
**2\. ๋ฑ๋น์์ด์, ์๋ค ๊ฐ์ ๋น์จ์ด ๊ฐ์ ์์ด์ด๋ค.**
โ
2, 4, 8, 16, 32, ....
โ2๋ก๋ถํฐ ์์ํด์ 2์ฉ ๊ณฑํด์ง๋ค.
โ
์ด ์์ด์ ํน์ง์ **์๋ค ๊ฐ์ ๋น์จ์ด ๊ฐ๋ค**๋ ๊ฑฐ๋ค.
4/2 = 8/4 = 16/8 = 32/16 = ..
โ
๊ทธ๋์ ๋น๊ฐ ๊ฐ๋ค๊ณ ํ์ฌ ๋ฑ๋น์์ด์ด๋ค.
**๋ฑ๋น๋** **็ญๆฏ****๋ก, ๋น๊ฐ ๊ฐ๋ค๋ ๋ป์ด**๋ค.
โ
[](https://m.blog.naver.com/prayer2k/222443821523)
โ
โ
โ
**3\. ๋ฑ๋น์์ด์ ์์ด๋ geometric sequence**
โ
**๋ฑ๋น์์ด์ geometric sequecne๋ค.**
์์ํ๊ฒ ๋๊ปด์ง ์ ์๋ค.
๊ทธ๋ฐ๋ฐ **์ด ์์ด์ ๋ฌ๋ฆฌ ๋ฒ์ญํ ๊ฒ ๊ธฐํ๊ธ์**์ด๋ค.
โ
๊ธฐํ๊ธ์์ ์ด๋ผ๋ ๊ฑด, ๋ฑ๋น์์ด์ฒ๋ผ ์ฆ๊ฐํ๋ค๋ ๊ฑฐ๋ค.
์ผ์ ํ ์๋ฅผ ๊ณฑํด๊ฐ๋ฏ์ด **๊ธ๊ฒฉํ๊ฒ ์ฆ๊ฐํ๋ค.**
[](https://m.blog.naver.com/prayer2k/222443821523)
โ
โ
โ
**4\. ๋ฑ๋น๋ r๋ก ํํํ๋ค.**
โ
๋ฑ๋น์ด์์ ์ค์ํ ๊ฒ์ ๋ฑ๋น๋ค.
๋ฑ๋น์ ์ํด์ ์์ด์ด ๊ฒฐ์ ๋๋ค.
โ
**๋ฑ๋น๋ ์์ด๋ก common ratio๋ค.**
**๊ณตํต์ ๋น๋ผ๋ ๋ป**์ด๋ค.
โ
**๋ฑ๋น๋ฅผ ๊ฐ๋ตํ๊ฒ r๋ก ํํํ๋ค.**
ratio์ r์ด ์๋๋ผ, **common ratio์ r์ด๋ค.**
โ
โ
โ
**5\. ๋ฑ๋น์์ด์ ์ผ๋ฐํญ a****n****, ํฉ S****n**
โ
์ผ๋ฐํญ์ n๋ฒ์งธ ํญ์ ๊ฐ์ ๋ปํ๋ค.
n๋ฒ์งธ ํญ๊น์ง์ ํฉ์ Sn์ด๋ผ ํ๋ค.
๋ฑ๋น์์ด์ ์ผ๋ฐํญ๊ณผ ๊ทธ ํฉ์ ๊ณต์์ ์๋์ ๊ฐ๋ค.
[](https://m.blog.naver.com/prayer2k/222443821523)
[](https://m.blog.naver.com/prayer2k/222443821523)
์ด๋ฏธ์ง์ถ์ฒ: ์ด์ฑ๊ทผ์ค์ ๋ฉ๊ฐ๋ง์ธ๋ ์ํ ๋ธ๋ก๊ทธ
โ
[๊ณต๊ฐํ ์ฌ๋ ๋ณด๋ฌ๊ฐ๊ธฐ](https://m.blog.naver.com/SympathyHistoryList.naver?blogId=prayer2k&logNo=222443821523&categoryId=POST)
[๋๊ธ *0*](https://m.blog.naver.com/CommentList.naver?blogId=prayer2k&logNo=222443821523) [๊ณต์ ํ๊ธฐ]()
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","source":"https://blog.naver.com/prayer2k/222443821523","blogName":"(์๊ฐ) ์..","domainIdOrBlogId":"prayer2k","nicknameOrBlogId":"์๋","logNo":222443821523,"smartEditorVersion":4,"cafeDisplay":true,"blogDisplay":true,"lineDisplay":true,"outsideDisplay":true,"meDisplay":true}
[๋ซ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523)
## ์นดํ
๊ณ ๋ฆฌ
[์ด ๋ธ๋ก๊ทธ ํ](https://m.blog.naver.com/prayer2k)
[๊ณต๊ฐํ ์ฌ๋ ๋ณด๋ฌ๊ฐ๊ธฐ](https://m.blog.naver.com/SympathyHistoryList.naver?blogId=prayer2k&logNo=222443821523&categoryId=POST)
[๋๊ธ *0*](https://m.blog.naver.com/CommentList.naver?blogId=prayer2k&logNo=222443821523) [๊ณต์ ํ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523)
**์๋(prayer2k)** ๋์ ์ด์์ถ๊ฐํ๊ณ ์๊ธ์ ๋ฐ์๋ณด์ธ์
[์ทจ์](https://m.blog.naver.com/prayer2k/222443821523) [์ด์์ถ๊ฐ](https://m.blog.naver.com/prayer2k/222443821523) |
| Readable Markdown | null |
| Shard | 15 (laksa) |
| Root Hash | 2598804620694055015 |
| Unparsed URL | com,naver!blog,m,/prayer2k/222443821523 s443 |