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Calculated Shard: 15 (from laksa129)

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7 months ago
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FilterStatusConditionDetails
HTTP statusPASSdownload_http_code = 200HTTP 200
Age cutoffFAILdownload_stamp > now() - 6 MONTH7.8 months ago
History dropPASSisNull(history_drop_reason)No drop reason
Spam/banPASSfh_dont_index != 1 AND ml_spam_score = 0ml_spam_score=0
CanonicalPASSmeta_canonical IS NULL OR = '' OR = src_unparsedNot set

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URLhttps://m.blog.naver.com/prayer2k/222443821523
Last Crawled2025-08-24 13:16:45 (7 months ago)
First Indexednot set
HTTP Status Code200
Meta Title๋“ฑ๋น„์ˆ˜์—ด ํ•ฉ ๊ณต์‹ / ๋“ฑ๋น„์ˆ˜์—ด ์ผ๋ฐ˜ํ•ญ / ๋“ฑ๋น„, r, ๊ธฐํ•˜๊ธ‰์ˆ˜์  / ๋œป๊ณผ ๊ฐœ๋… : ๋„ค์ด๋ฒ„ ๋ธ”๋กœ๊ทธ
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2, 4, 8, 16, 32, .... 2์”ฉ ๊ณฑํ•ด์ง€๋ฉฐ ์ฆ๊ฐ€ํ•˜๋Š” ๋“ฑ๋น„์ˆ˜์—ด์ด๋‹ค. 2๋ฅผ ๊ณต๋น„๋ผ๊ณ  ํ•œ๋‹ค. โ€‹ ์™œ ๋“ฑ๋น„์ˆ˜์—ด์ด๋ผ๊ณ  ๋ถ€๋ฅด๊ณ  ๊ณต๋น„์˜ ๋œป์€ ๋ฌด์—‡์ด๋ฉฐ, r๋กœ ํ‘œํ˜„ํ• ๊นŒ? ์ผ๋ฐ˜ํ•ญ๊ณผ ํ•ฉ์˜ ๊ณต์‹๊นŒ์ง€ ๊ฐ„๋žตํ•˜๊ฒŒ~~ โ€‹ โ€‹ 1. ์ˆ˜์—ด์ด๋ž€, ์ผ์ •ํ•œ ๊ทœ์น™์— ์˜ํ•ด ๋‚˜์—ด๋œ ์ˆ˜์˜ ์—ด์ด๋‹ค. โ€‹ ์ˆ˜์—ด์€ sequence, ๆ•ธๅˆ— ์ด๋‹ค. ์ˆ˜์˜ ๋‚˜์—ด ์ด๋‹ค. ์ˆ˜ํ•™์—์„œ๋Š” ๊ทœ์น™์ด ์žˆ๋Š” ์ˆ˜์—ด์„ ๋‹ค๋ฃฌ๋‹ค.
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![](https://ssl.pstatic.net/static/blog/sp_blog72.png) ![](https://ssl.pstatic.net/static/blog/sp_blog_se3_6.png) [๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523#ct) # [๋ธ”๋กœ๊ทธ](https://m.blog.naver.com/Recommendation.naver) ## [์นดํ…Œ๊ณ ๋ฆฌ ์ด๋™](https://m.blog.naver.com/prayer2k/222443821523) [(์ž‘๊ฐ€) ์ˆ˜๋ƒ์˜ ์ˆ˜ํ•™์นดํŽ˜(ๆ•ธๅญธ+ไฟฎๅญธ)](https://m.blog.naver.com/PostList.naver?blogId=prayer2k) [๊ฒ€์ƒ‰](https://m.blog.naver.com/PostSearchList.naver?blogId=prayer2k) MY๋ฉ”๋‰ด ์—ด๊ธฐ [์ˆ˜ํ•™ ๊ฐœ๋… ํ•˜๋‚˜์”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) ๋“ฑ๋น„์ˆ˜์—ด ํ•ฉ ๊ณต์‹ / ๋“ฑ๋น„์ˆ˜์—ด ์ผ๋ฐ˜ํ•ญ / ๋“ฑ๋น„, r, ๊ธฐํ•˜๊ธ‰์ˆ˜์  / ๋œป๊ณผ ๊ฐœ๋… [![ํ”„๋กœํ•„](https://blogpfthumb-phinf.pstatic.net/MjAyMDEyMjhfMTMg/MDAxNjA5MTEyNTAyMTA5.oxSTABbzd-ySTQC6Tpbp12LU-0Jm8yB7HqMCNKLt4zYg.myLRaxp7FqbrI86UHhAKyl_SaPFaWjq_fwgGn4lQ-GEg.JPEG.prayer2k/Kandinsky_Wassily.jpg?type=s1)](https://m.blog.naver.com/PostList.naver?blogId=prayer2k) [**์ˆ˜๋ƒ**](https://m.blog.naver.com/PostList.naver?blogId=prayer2k) 2021\. 7. 24. 13:28 [์ด์›ƒ์ถ”๊ฐ€](https://m.blog.naver.com/prayer2k/222443821523) ๋ณธ๋ฌธ ๊ธฐํƒ€ ๊ธฐ๋Šฅ - **๋ณธ๋ฌธ ํฐํŠธ ํฌ๊ธฐ ์กฐ์ •** ๋ณธ๋ฌธ ํฐํŠธ ํฌ๊ธฐ ์ž‘๊ฒŒ ๋ณด๊ธฐ ๋ณธ๋ฌธ ํฐํŠธ ํฌ๊ธฐ ํฌ๊ฒŒ ๋ณด๊ธฐ ๊ฐ€ - [*๊ณต๊ฐํ•˜๊ธฐ*](https://m.blog.naver.com/prayer2k/222443821523) - [๊ณต์œ ํ•˜๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523) - [URL๋ณต์‚ฌ](https://m.blog.naver.com/prayer2k/222443821523) - [์‹ ๊ณ ํ•˜๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523) 2, 4, 8, 16, 32, .... 2์”ฉ ๊ณฑํ•ด์ง€๋ฉฐ ์ฆ๊ฐ€ํ•˜๋Š” ๋“ฑ๋น„์ˆ˜์—ด์ด๋‹ค. 2๋ฅผ ๊ณต๋น„๋ผ๊ณ  ํ•œ๋‹ค. โ€‹ ์™œ ๋“ฑ๋น„์ˆ˜์—ด์ด๋ผ๊ณ  ๋ถ€๋ฅด๊ณ  ๊ณต๋น„์˜ ๋œป์€ ๋ฌด์—‡์ด๋ฉฐ, r๋กœ ํ‘œํ˜„ํ• ๊นŒ? ์ผ๋ฐ˜ํ•ญ๊ณผ ํ•ฉ์˜ ๊ณต์‹๊นŒ์ง€ ๊ฐ„๋žตํ•˜๊ฒŒ\~~ โ€‹ โ€‹ **1\. ์ˆ˜์—ด์ด๋ž€, ์ผ์ •ํ•œ ๊ทœ์น™์— ์˜ํ•ด ๋‚˜์—ด๋œ ์ˆ˜์˜ ์—ด์ด๋‹ค.** โ€‹ **์ˆ˜์—ด์€ sequence, ๆ•ธๅˆ—**์ด๋‹ค. **์ˆ˜์˜ ๋‚˜์—ด**์ด๋‹ค. ์ˆ˜ํ•™์—์„œ๋Š” ๊ทœ์น™์ด ์žˆ๋Š” ์ˆ˜์—ด์„ ๋‹ค๋ฃฌ๋‹ค. [![](https://mblogthumb-phinf.pstatic.net/MjAyMTA3MjRfMTAz/MDAxNjI3MDk5NjQ0MjIw.CRGrB_WUl5ioOc3OK9GWMNvkfcAUPsg92GpOyqZfYD0g.kN5zf1B4HB7-Anfd_HRM66bCTiQFXxDk_v3muLaEuqsg.JPEG.prayer2k/%EB%93%B1%EC%B0%A8%EC%88%98%EC%97%B4_%EC%9D%BC%EB%B0%98%ED%95%AD_%EB%93%B1%EC%B0%A8_d_%ED%95%A91.jpg?type=w80_blur)](https://m.blog.naver.com/prayer2k/222443821523) โ€‹ โ€‹ โ€‹ **2\. ๋“ฑ๋น„์ˆ˜์—ด์€, ์ˆ˜๋“ค ๊ฐ„์˜ ๋น„์œจ์ด ๊ฐ™์€ ์ˆ˜์—ด์ด๋‹ค.** โ€‹ 2, 4, 8, 16, 32, .... โ€‹2๋กœ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด์„œ 2์”ฉ ๊ณฑํ•ด์ง„๋‹ค. โ€‹ ์ด ์ˆ˜์—ด์˜ ํŠน์ง•์€ **์ˆ˜๋“ค ๊ฐ„์˜ ๋น„์œจ์ด ๊ฐ™๋‹ค**๋Š” ๊ฑฐ๋‹ค. 4/2 = 8/4 = 16/8 = 32/16 = .. โ€‹ ๊ทธ๋ž˜์„œ ๋น„๊ฐ€ ๊ฐ™๋‹ค๊ณ  ํ•˜์—ฌ ๋“ฑ๋น„์ˆ˜์—ด์ด๋‹ค. **๋“ฑ๋น„๋Š”** **็ญ‰ๆฏ”****๋กœ, ๋น„๊ฐ€ ๊ฐ™๋‹ค๋Š” ๋œป์ด**๋‹ค. โ€‹ [![](https://mblogthumb-phinf.pstatic.net/MjAyMTA3MjRfMjU4/MDAxNjI3MTAwNTQ1MTQ5.yWoTfEkxFxrNFLzGUY7DPvGzU56qkXiAPow27Gd6Zk4g.Y_WiUsKdqWdeC2Hqa_DbYAyJwz18FUvbUMg8ysJPlR0g.JPEG.prayer2k/%EB%93%B1%EB%B9%84%EC%88%98%EC%97%B4_%EC%9D%BC%EB%B0%98%ED%95%AD_%ED%95%A9_%EB%93%B1%EB%B9%84_r_%EA%B8%B0%ED%95%98%EA%B8%89%EC%88%98%EC%A0%81_23.jpg?type=w80_blur)](https://m.blog.naver.com/prayer2k/222443821523) โ€‹ โ€‹ โ€‹ **3\. ๋“ฑ๋น„์ˆ˜์—ด์˜ ์˜์–ด๋Š” geometric sequence** โ€‹ **๋“ฑ๋น„์ˆ˜์—ด์€ geometric sequecne๋‹ค.** ์ƒ์†Œํ•˜๊ฒŒ ๋А๊ปด์งˆ ์ˆ˜ ์žˆ๋‹ค. ๊ทธ๋Ÿฐ๋ฐ **์ด ์ˆ˜์—ด์„ ๋‹ฌ๋ฆฌ ๋ฒˆ์—ญํ•œ ๊ฒŒ ๊ธฐํ•˜๊ธ‰์ˆ˜**์ด๋‹ค. โ€‹ ๊ธฐํ•˜๊ธ‰์ˆ˜์ ์ด๋ผ๋Š” ๊ฑด, ๋“ฑ๋น„์ˆ˜์—ด์ฒ˜๋Ÿผ ์ฆ๊ฐ€ํ•œ๋‹ค๋Š” ๊ฑฐ๋‹ค. ์ผ์ •ํ•œ ์ˆ˜๋ฅผ ๊ณฑํ•ด๊ฐ€๋“ฏ์ด **๊ธ‰๊ฒฉํ•˜๊ฒŒ ์ฆ๊ฐ€ํ•œ๋‹ค.** [![](https://mblogthumb-phinf.pstatic.net/MjAyMTA3MjRfMTEg/MDAxNjI3MTAwNzE4NDY3.-IVBeBpZVZFHeVQWguQLW_WaPd0TNnD-YPB78R_7gkkg.ejsi4tcMs4yQDTi8gHoeWwYtaQBeroH1zQIcmD0ozc0g.JPEG.prayer2k/%EB%93%B1%EB%B9%84%EC%88%98%EC%97%B4_%EC%9D%BC%EB%B0%98%ED%95%AD_%ED%95%A9_%EB%93%B1%EB%B9%84_r_%EA%B8%B0%ED%95%98%EA%B8%89%EC%88%98%EC%A0%81_233.jpg?type=w80_blur)](https://m.blog.naver.com/prayer2k/222443821523) โ€‹ โ€‹ โ€‹ **4\. ๋“ฑ๋น„๋Š” r๋กœ ํ‘œํ˜„ํ•œ๋‹ค.** โ€‹ ๋“ฑ๋น„์—ด์—์„œ ์ค‘์š”ํ•œ ๊ฒƒ์€ ๋“ฑ๋น„๋‹ค. ๋“ฑ๋น„์— ์˜ํ•ด์„œ ์ˆ˜์—ด์ด ๊ฒฐ์ •๋œ๋‹ค. โ€‹ **๋“ฑ๋น„๋Š” ์˜์–ด๋กœ common ratio๋‹ค.** **๊ณตํ†ต์˜ ๋น„๋ผ๋Š” ๋œป**์ด๋‹ค. โ€‹ **๋“ฑ๋น„๋ฅผ ๊ฐ„๋žตํ•˜๊ฒŒ r๋กœ ํ‘œํ˜„ํ•œ๋‹ค.** ratio์˜ r์ด ์•„๋‹ˆ๋ผ, **common ratio์˜ r์ด๋‹ค.** โ€‹ โ€‹ โ€‹ **5\. ๋“ฑ๋น„์ˆ˜์—ด์˜ ์ผ๋ฐ˜ํ•ญ a****n****, ํ•ฉ S****n** โ€‹ ์ผ๋ฐ˜ํ•ญ์€ n๋ฒˆ์งธ ํ•ญ์˜ ๊ฐ’์„ ๋œปํ•œ๋‹ค. n๋ฒˆ์งธ ํ•ญ๊นŒ์ง€์˜ ํ•ฉ์€ Sn์ด๋ผ ํ•œ๋‹ค. ๋“ฑ๋น„์ˆ˜์—ด์˜ ์ผ๋ฐ˜ํ•ญ๊ณผ ๊ทธ ํ•ฉ์˜ ๊ณต์‹์€ ์•„๋ž˜์™€ ๊ฐ™๋‹ค. [![](https://mblogthumb-phinf.pstatic.net/MjAyMTA3MjRfMTgy/MDAxNjI3MTAwMTUxOTI3.cIxYlyuBn7_-pDX1DiSiE86Cmji79hK0FbKaa9jHcDwg.s-5Mb-qKYWTzVo_VfQdkmhqtz_Ht0MXURA2nDcW3sKAg.PNG.prayer2k/%EB%93%B1%EB%B9%84%EC%88%98%EC%97%B4_%EC%9D%BC%EB%B0%98%ED%95%AD_%ED%95%A9_%EB%93%B1%EB%B9%84_r_%EA%B8%B0%ED%95%98%EA%B8%89%EC%88%98%EC%A0%81.png?type=w80_blur)](https://m.blog.naver.com/prayer2k/222443821523) [![](https://mblogthumb-phinf.pstatic.net/MjAyMTA3MjRfMjU3/MDAxNjI3MTAwMzE2NjA3.caMdqPiTeuqnx44okwVoTa9STgeuTeLUhsHhZ9mbnu4g.DPoBIyMO7lRuMF4g1UMwX3-e2pI9C1ooU3jEHkNRl-og.PNG.prayer2k/%EB%93%B1%EB%B9%84%EC%88%98%EC%97%B4_%EC%9D%BC%EB%B0%98%ED%95%AD_%ED%95%A9_%EB%93%B1%EB%B9%84_r_%EA%B8%B0%ED%95%98%EA%B8%89%EC%88%98%EC%A0%812.png?type=w80_blur)](https://m.blog.naver.com/prayer2k/222443821523) ์ด๋ฏธ์ง€์ถœ์ฒ˜: ์ด์„ฑ๊ทผ์Œค์˜ ๋ฉ”๊ฐ€๋งˆ์ธ๋“œ ์ˆ˜ํ•™ ๋ธ”๋กœ๊ทธ โ€‹ [๊ณต๊ฐํ•œ ์‚ฌ๋žŒ ๋ณด๋Ÿฌ๊ฐ€๊ธฐ](https://m.blog.naver.com/SympathyHistoryList.naver?blogId=prayer2k&logNo=222443821523&categoryId=POST) [๋Œ“๊ธ€ *0*](https://m.blog.naver.com/CommentList.naver?blogId=prayer2k&logNo=222443821523) [๊ณต์œ ํ•˜๊ธฐ]() {"title":"๋“ฑ๋น„์ˆ˜์—ด ํ•ฉ ๊ณต์‹ / ๋“ฑ๋น„์ˆ˜์—ด ์ผ๋ฐ˜ํ•ญ / ๋“ฑ๋น„, r, ๊ธฐํ•˜๊ธ‰์ˆ˜์  / ๋œป๊ณผ ๊ฐœ๋…","source":"https://blog.naver.com/prayer2k/222443821523","blogName":"(์ž‘๊ฐ€) ์ˆ˜..","domainIdOrBlogId":"prayer2k","nicknameOrBlogId":"์ˆ˜๋ƒ","logNo":222443821523,"smartEditorVersion":4,"cafeDisplay":true,"blogDisplay":true,"lineDisplay":true,"outsideDisplay":true,"meDisplay":true} [๋‹ซ๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523) ## ์นดํ…Œ๊ณ ๋ฆฌ [์ด ๋ธ”๋กœ๊ทธ ํ™ˆ](https://m.blog.naver.com/prayer2k) [๊ณต๊ฐํ•œ ์‚ฌ๋žŒ ๋ณด๋Ÿฌ๊ฐ€๊ธฐ](https://m.blog.naver.com/SympathyHistoryList.naver?blogId=prayer2k&logNo=222443821523&categoryId=POST) [๋Œ“๊ธ€ *0*](https://m.blog.naver.com/CommentList.naver?blogId=prayer2k&logNo=222443821523) [๊ณต์œ ํ•˜๊ธฐ](https://m.blog.naver.com/prayer2k/222443821523) **์ˆ˜๋ƒ(prayer2k)** ๋‹˜์„ ์ด์›ƒ์ถ”๊ฐ€ํ•˜๊ณ  ์ƒˆ๊ธ€์„ ๋ฐ›์•„๋ณด์„ธ์š” [์ทจ์†Œ](https://m.blog.naver.com/prayer2k/222443821523) [์ด์›ƒ์ถ”๊ฐ€](https://m.blog.naver.com/prayer2k/222443821523)
Readable Markdownnull
Shard15 (laksa)
Root Hash2598804620694055015
Unparsed URLcom,naver!blog,m,/prayer2k/222443821523 s443