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์›น ํ•„ํ„ฐ๊ฐ€ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ž‘๋™ํ•˜์ง€ ์•Š์œผ๋ฉด ๋„๋ฉ”์ธ *. kastatic.org๊ณผ *.kasandbox.org์ด ์ฐจ๋‹จ๋˜์–ด ์žˆ๋Š”์ง€ ํ™•์ธํ•˜์„ธ์š”.

์ฃผ์š” ๋‚ด์šฉ

์น˜ํ™˜: ๐˜ถ ์„ค์ •ํ•˜๊ธฐ

๋ฌธ์ œ

์น˜์š”๋งˆ๋Š” u ๋Œ€์ž…์„ ํ†ตํ•ด integral, left parenthesis, 18, x, squared, plus, 3, right parenthesis, left parenthesis, 6, x, cubed, plus, 3, x, right parenthesis, start superscript, 6, end superscript, d, x์„ ๊ตฌํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
์น˜์š”๋งˆ๋Š” u๋ฅผ ์–ด๋–ป๊ฒŒ ์ •์˜ํ•ด์•ผ ํ• ๊นŒ์š”?
์ •๋‹ต์„ ํ•œ ๊ฐœ ๊ณ ๋ฅด์„ธ์š”:
์–ด๋ ค์šด๊ฐ€์š”?
์–ด๋ ค์šด๊ฐ€์š”?