๐Ÿ…ฟ๏ธ(x)

f(x)โžก๏ธy

๐‘“

ฦ’()โ†’

๐Ÿ“ˆโ€ฒ

๐Ÿ“ˆ๐‘“(๐‘ฅ)=๐‘ฆ

ฦ’โปยน๐Ÿ“

P(๐‘ฅ)/Q(๐‘ฅ)

f(x)ใ€ฐ

f(x)๐ŸŸฐy

๐‘“โ€ฒ

๐ŸŽฒโ†’๐Ÿ“ˆฦ’

๐‘“(๐‘ฅ)โœ๏ธโˆซ

Aโ†ฃB

{๐‘ฅ}โ†’{๐‘“(๐‘ฅ)}

Sโ‰ˆฦ’

๐Ÿ“โ†ฆโš™๏ธ๐Ÿ“+โžก๏ธ

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