ŤԧԾѹ

ŤԧԾѹ

ŤԧԾѹ֡ԸաԾѹ (Թԡ, Integral) ͧѧѹ ҨҡԵͧͧ (¡Եͧѹ) о鹤;鹷׹ᶺҿͧѧѹ ԹõԸշԸ˹㹡Ҿ鹷ҿ ҵͧççк͡

鹰ҹͧŤ

鹰ҹ觤ѴͧŤ հҹҨҡ ǤԴͧѧѹ Ե ѹ෤ԤͧժԵ鹰ҹ ػԧԵʵ ֡Ҿ鹰ҹͧŤ ѡѹ㹪 ԧԧ 觻Сͺ 觤Ѵ к٨ͧɮբͧŤ ɮաѴ ԧѧѹ

ɮպŰҹͧŤ ͧ

ɮպŰҹͧŤ ͹ؾѹСһԾѹԸա÷çѹѹ Ǥ ҧѧѹ繻Ծѹͧѧѹ˹觢 ͹ؾѹͧѧѹҧ ҡѺѧѹ ͡ҡ ѧһԾѹӡѴࢵ¡á˹Ѻҹؾѹ

ɮպŰҹͧŤ¹ٻѭѡɳ줳Եʵѧ: f 繿ѧѹդͧǧ [a, b] F 繻ҹؾѹͧ f ǧ [a, b]

\int_{a}^{b} f (x) \,dx = F (b) - F (a)
Ѻء x 㹪ǧ [a, b]
\frac{d}{dx}\int_a^x f (t) \, dt = f (x)

ԧ͹ҡ駹ǵѹ źԫ 繡حᨹ â¼Ѿԧҧҡѧҡҹͧͧ繷ѡ. § ö͹¹ŧ㹿ѧѹ㹪ǧ˹ ҡѵҡ¹ŧ㹢㴢˹ ¡һԾѹͧǹѧ. ɮպŰҹѧԸ㹡äӹdz ԾѹӡѴࢵ ԸշҧժԵ繨ӹǹҡ ͧԸաԵ ¡ҹؾѹ. ɮպѧ͹حҵԧ͹ؾѹ 觤÷Ǣͧѹҧ ѧѹҺ ͹ؾѹͧѹ. ԧ͹ؾѹԷʵ

绷Ǣͧ

http://th.wikipedia.org/wiki/%E0%B9%81%E0%B8%84%E0%B8%A5%E0%B8%84%E0%B8%B9%E0%B8%A5%E0%B8%B1%E0%B8%AA

ٻҾǢͧ

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