创作编号:GB8878185555334563BT9125XW创作者: 凤呜大王*常 用 积 分 公 式(一)含有ax b +的积分(0a ≠) 1.d x ax b +⎰=1ln ax b C a ++2.()d ax b x μ+⎰=11()(1)ax b C a μμ++++(1μ≠-)3.d x x ax b +⎰=21(ln )ax b b ax b C a +-++4.2d x x ax b +⎰=22311()2()ln 2ax b b ax b b ax b C a ⎡⎤+-++++⎢⎥⎣⎦5.d ()xx ax b +⎰=1ln ax b C b x +-+6.2d ()xx ax b +⎰=21ln a ax b C bx b x +-++ 7.2d ()x x ax b +⎰=21(ln )b ax b C a ax b++++ 8.22d ()x x ax b +⎰=231(2ln )b ax b b ax b C a ax b+-+-++9.2d ()xx ax b +⎰=211ln ()ax b C b ax b b x +-++的积分10.x ⎰C + 11.x ⎰=22(3215ax b C a - 12.x x ⎰=22232(15128105a x abx b C a-++ 13.x ⎰=22(23ax b C a -14.2x ⎰=22232(34815a x abx b C a -++ 15.⎰(0)(0)C b C b ⎧+><16.⎰=2a bx b -- 17.x ⎰=b ⎰18.2d x x ⎰=2a + (三)含有22x a ±的积分 19.22d x x a +⎰=1arctan x C a a+20.22d ()nx x a +⎰=2221222123d 2(1)()2(1)()n n x n xn a x a n a x a ---+-+-+⎰21.22d xx a -⎰=1ln 2x a C a x a -++(四)含有2(0)ax b a +>的积分22.2d x ax b +⎰=(0)(0)C b C b ⎧+>+<23.2d x x ax b +⎰=21ln 2ax b C a++ 24.22d x x ax b +⎰=2d x b x a a ax b-+⎰25.2d ()x x ax b +⎰=221ln 2x C b ax b++ 26.22d ()x x ax b +⎰=21d a xbx b ax b --+⎰27.32d ()x x ax b +⎰=22221ln 22ax b a C b x bx+-+ 28.22d ()x ax b +⎰=221d 2()2x xb ax b b ax b +++⎰(五)含有2ax bx c ++(0)a >的积分 29.2d x ax bx c++⎰=22(4)(4)C b acC b ac+<+>30.2dxxax bx c++⎰=221dln22b xax bx ca a ax bx c++-++⎰(0)a>的积分31.⎰=1arshxCa+=ln(x C++32.C+33.x⎰C34.x=C+35.2x2ln(2ax C++36.2x⎰=ln(x C++37.⎰1lnaCa x-+38.⎰C+39.x⎰2ln(2ax C++40.x⎰=2243(25ln(88x x a a x C +++41.x ⎰C42.xx⎰=422(2ln(88x a x a x C +++43.d x x ⎰ln a a C x +44.2d x x ⎰=ln(x C x-+++(0)a >的积分45.=1arch x xC x a+=ln x C ++ 46.⎰C +47.x ⎰C +48.x =C +创作编号:GB8878185555334563BT9125XW创作者: 凤呜大王*49.2x 2ln 2a x C ++50.2x ⎰=ln x C +++51.⎰=1arccos aC a x+52.⎰C +53.x ⎰2ln 2a x C ++54.x⎰=2243(25ln 88x x a a x C -++55.x ⎰C56.xx⎰=422(2ln 88x a x a x C -++57.x ⎰arccos a a C x +58.x ⎰=ln x C +++(0)a >的积分59.⎰=arcsinxC a + 60.⎰C +61.x ⎰=C62.x C +63.2x =2arcsin 2a x C a + 64.2x ⎰arcsinxC a-+65.⎰=1ln a C a x -+66.⎰C +67.x ⎰2arcsin 2a x C a+68.x ⎰=2243(52arcsin 88x x a x a C a-+69.x ⎰=C +70.xx ⎰=422(2arcsin 88x a x x a C a-+71.d x x ⎰a C ++72.x ⎰=arcsin xC a-+(0)a >的积分73.⎰2ax b C +++74.x ⎰22ax b C+++75.x ⎰2ax b C +++76.⎰=C +77.x⎰=2C +78.x⎰=C ++79.x ⎰=((x b b a C --+80.x ⎰=((x b b a C -+-81.⎰=C ()a b <82.x⎰=2()arcsin 4b a C -+()a b <(十一)含有三角函数的积分 83.sin d x x ⎰=cos x C -+ 84.cos d x x ⎰=sin x C + 85.tan d x x ⎰=ln cos x C -+ 86.cot d x x ⎰=ln sin x C + 87.sec d x x ⎰=ln tan()42xC π++=ln sec tan x x C ++ 88.csc d x x ⎰=ln tan2xC +=ln csc cot x x C -+89.2sec d x x ⎰=tan x C + 90.2csc d x x ⎰=cot x C -+ 91.sec tan d x x x ⎰=sec x C + 92.csc cot d x x x ⎰=csc x C -+93.2sin d x x ⎰=1sin 224x x C -+ 94.2cos d x x ⎰=1sin 224x x C ++95.sin d n x x ⎰=1211sin cos sin d n n n x x x x n n ----+⎰96.cos d n x x ⎰=1211cos sin cos d n n n x x x x n n---+⎰ 97.d sin n x x ⎰=121cos 2d 1sin 1sin n n x n xn x n x----⋅+--⎰ 98.d cos n x x ⎰=121sin 2d 1cos 1cos n n x n xn x n x---⋅+--⎰ 99.cos sin d m n x x x ⎰=11211cos sin cos sin d m n m nm x x x x x m n m n-+--+++⎰ =11211cos sin cos sin d m n m n n x x x x x m n m n +----+++⎰100.sin cos d ax bx x⎰=11cos()cos()2()2()a b x a b x C a b a b -+--++-101.sin sin d ax bx x⎰=11sin()sin()2()2()a b x a b x C a b a b -++-++-102.cos cos d ax bx x⎰=11sin()sin()2()2()a b x a b x C a b a b ++-++-103.d sin xa b x +⎰tanxa b C ++22()a b >104.d sin x a b x+⎰=C+22()a b <105.d cos x a b x+⎰=)2xC+22()a b >106.d cos xa b x+⎰=C +22()a b <创作编号:GB8878185555334563BT9125XW创作者: 凤呜大王*107.2222d cos sin x a x b x +⎰=1arctan(tan )bx C ab a+ 108.2222d cos sin xa xb x -⎰=1tan ln 2tan b x a C ab b x a ++-109.sin d x ax x ⎰=211sin cos ax x ax C a a -+ 110.2sin d x ax x ⎰=223122cos sin cos x ax x ax ax C a a a -+++111.cos d x ax x ⎰=211cos sin ax x ax C a a ++112.2cos d x ax x ⎰=223122sin cos sin x ax x ax ax C a a a+-+(十二)含有反三角函数的积分(其中0a >)113.arcsin d x x a ⎰=arcsin x x C a++114.arcsin d xx x a ⎰=22()arcsin 24x a x C a -++115.2arcsin d x x x a⎰=3221arcsin (239x x x a C a ++116.arccos d xx a ⎰=arccosxx C a-117.arccos d xx x a ⎰=22()arccos 24x a x C a -118.2arccos d x x x a⎰=3221arccos (239x x x a C a -+119.arctand x x a ⎰=22arctan ln()2x a x a x C a -++ 120.arctan d x x x a ⎰=221()arctan 22x a a x x C a +-+121.2arctan d xx x a⎰=33222arctan ln()366x x a a x a x C a -+++ (十三)含有指数函数的积分122.d xa x ⎰=1ln xa C a + 123.e d axx ⎰=1e ax C a +124.e d ax x x ⎰=21(1)e axax C a-+125.e d n axx x ⎰=11e e d n ax n ax n x x x a a--⎰126.d xxa x ⎰=21ln (ln )x x x a a C a a -+ 127.d nxx a x ⎰=11d ln ln n x n xn x a x a x a a --⎰ 128.e sin d axbx x ⎰=221e (sin cos )ax a bx b bx C a b -++ 129.e cos d ax bx x ⎰=221e (sin cos )axb bx a bx C a b+++ 130.e sin d ax n bx x ⎰=12221e sin (sin cos )ax n bx a bx nb bx a b n--+ 22222(1)e sin d ax n n n b bx x a b n--++⎰ 131.e cos d ax nbx x ⎰=12221e cos (cos sin )ax n bx a bx nb bx a b n-++ 22222(1)e cos d ax n n n b bx x a b n--++⎰ (十四)含有对数函数的积分 132.ln d x x ⎰=ln x x x C -+133.d ln xx x ⎰=ln ln x C +134.ln d nx x x ⎰=111(ln )11n x x C n n +-+++ 135.(ln )d n x x ⎰=1(ln )(ln )d n nx x n x x --⎰136.(ln )d m nx x x ⎰=111(ln )(ln )d 11m n m n n x x x x x m m +--++⎰(十五)含有双曲函数的积分 137.sh d x x ⎰=ch x C + 138.ch d x x ⎰=sh x C + 139.th d x x ⎰=lnch x C +140.2sh d x x ⎰=1sh224x x C -++ 141.2ch d x x ⎰=1sh224x x C ++(十六)定积分 142.cos d nx x π-π⎰=sin d nx x π-π⎰=0143.cos sin d mx nx x π-π⎰=0144.cos cos d mx nx x π-π⎰=0,,m nm n≠⎧⎨π=⎩ 145.sin sin d mx nx x π-π⎰=0,,m nm n ≠⎧⎨π=⎩146.sin sin d mx nx x π⎰=0cos cos d mx nx x π⎰=0,,2m n m n ≠⎧⎪⎨π=⎪⎩147. n I =20sin d nx x π⎰=20cos d n x x π⎰n I =21n n I n-- 1342253n n n I n n --=⋅⋅⋅⋅- (n 为大于1的正奇数),1I =113312422n n n I n n --π=⋅⋅⋅⋅⋅-(n 为正偶数),0I =2π创作编号:GB8878185555334563BT9125XW创作者:凤呜大王*。