导数微分积分公式大全

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导数 ()0c '=1x x μμμ-=()sin cos x x '= ()cos sin x x '=- ()2tan sec x x '= ()2cot csc x x '=- ()sec sec tan x x x '=⋅ ()csc csc cot x x x '=-⋅()xx e e '=()ln xx a a a '=()1ln x x '=()1log ln x a x a '= ()arcsin x '=()arccos x '=()21arctan 1x x '=+()21arc cot 1x x '=-+()1x '='=微分 ()0d c =()1d x x dx μμμ-=()sin cos d x xdx = ()cos sin d x xdx =- ()2tan sec d x xdx = ()2cot csc d x xdx =- ()sec sec tan d x x xdx =⋅ ()csc csc cot d x x xdx =-⋅()x x d e e dx = ()ln x x d a a adx =()1ln d x dx x =()1log ln x a d dx x a=()arcsin d x =()arccos d x =()21arctan 1d x dx x =+()21arc cot 1d x dx x=-+基本积分公式kdx kx c =+⎰11x x dx c μμμ+=++⎰ln dxx c x =+⎰ln xxa a dx c a =+⎰x x e dx e c =+⎰cos sin xdx x c =+⎰sin cos xdx x c =-+⎰221sec tan cos dx xdx x cx ==+⎰⎰221csccot sinxdx x cx==-+⎰⎰21arctan 1dx x c x =++⎰arcsin dx x c =+tan ln cos xdx x c =-+⎰ cot ln sin xdx x c =+⎰ sec ln sec tan xdx x x c =++⎰ csc ln csc cot xdx x x c =-+⎰2211arctan xdx c a x a a=++⎰2211ln 2x adx c x a a x a-=+-+⎰arcsinxc a=+ln x c=+导数的运算()u v u v '''±=± ()uv u v uv '''=+()()()()()()()n n n u x v x u x v x ±=±⎡⎤⎣⎦ ()()()()n n c u x c u x=⎡⎤⎣⎦()()()()n n nu ax b a uax b +=+⎡⎤⎣⎦()()()()()()()0nn n k k k n k u x v x c u x v x -=⋅=⎡⎤⎣⎦∑()()!n nx n = ()()n ax bn ax b e a e ++=⋅ ()()ln n xx n aa a =()()sin sin 2n n ax b a ax b n π⎛⎫+=++⋅⎡⎤ ⎪⎣⎦⎝⎭ ()()cos cos 2n nax b a ax b n π⎛⎫+=++⋅⎡⎤ ⎪⎣⎦⎝⎭ 2u u v uv v v '''-⎛⎫=⎪⎝⎭()()()11!1n n nn a n ax b ax b +⋅⎛⎫=- ⎪+⎝⎭+ ()()()()()11!ln 1n n n na n axb ax b -⋅-+=-⎡⎤⎣⎦+微分运算法则()d u v du dv ±=± ()d c u c d u = ()d u v v d u u d v =+ 2u v d uu d v d v v -⎛⎫= ⎪⎝⎭积分型换元公式()()()1f ax b dx f ax b d ax b a +=++⎰⎰u ax b =+()()()11f x x dx f x d x μμμμμ-=⎰⎰u x μ=()()()1ln ln ln f x dx f x d x x ⋅=⎰⎰ln u x =()()()x x x x f e e dx f e d e ⋅=⎰⎰x u e =()()()1ln x x x xf a a dx f a d a a⋅=⎰⎰ x u a =()()()sin cos sin sin f x xdx f x d x ⋅=⎰⎰ sin u x =()()()cos sin cos cos f x xdx f x d x ⋅=-⎰⎰ cos u x =()()()2tan sec tan tan f x xdx f x d x ⋅=⎰⎰tan u x = ()()()2cot csc cot cot f x xdx f x d x ⋅=⎰⎰cot u x =()()()21arctan arc n arc n 1f x dx f ta x d ta x x ⋅=+⎰⎰ arctan u x = ()()()arcsin arcsin arcsin f x f x d x =⎰⎰ arcsin u x =极限()10lim 1xx x e →+=l i ()1n a o >=l i 1n = l i m a r c t a n 2x x π→∞= lim arc cot 0x x →∞= lim arc cot x x π→-∞= l i m 0x x e →-∞= lim x x e →+∞=∞ 0l i m 1xx x +→= (12)00101101lim 0n n n m m x m a n mb a x a x a n m b x b x b n m--→∞⎧=⎪⎪+++⎪=<⎨+++⎪∞>⎪⎪⎩(系数不为0的情况)常用等价无穷小关系(x 趋向于零)Sin x ~ x \\ ln (1+x) ~ x \\ ex ~ x \\ 1-cosx ~ 0.5x2 \\ Tan x~ x (1+x)a-1~ax \\ arcsin x ~ x ~ arctan x \\ ax - 1 ~ x ln a \\ tan x ~ x.1.两角和公式sin()sin cos cos sin A B A B A B +=+ s i n ()s i n c o sc o s sA B A B A B -=- cos()cos cos sin sin A B A B A B +=- c o s ()c o s c o ss i n sA B A B A B -=+)A B -=cot cot 1)cot cot A B A B B A ⋅+-=- 2.二倍角公式sin 22sin cos A A A = 2222c o s 2c o s s i n 12s i n2c o s 1A A A A A =-=-=- 22t a n t a n 21ta n AA A=- 3.半角公式sin2A =\\cos 2A =\\ sin tan 21cos AAA=+ \\ sin cot 21cos A A A ==- 4.和差化积公式sin sin 2sincos 22a b a b a b +-+=⋅ sin sin 2cos sin 22a b a ba b +--=⋅cos cos 2cos2a b a b ++=⋅()sin tan cos cos a b a b a b++=⋅ 5.积化和差公式()()1sin sin cos cos 2a b a b a b =-+--⎡⎤⎣⎦()()1cos cos cos cos 2a b a b a b =++-⎡⎤⎣⎦()()1s i n c o s s i n s i n 2a b ab a b =++-⎡⎤⎣⎦()()1cos sin sin sin 2a b a b a b =+--⎡⎤⎣⎦ 6.万能公式22tan2sin 1tan 2a a a =+ 221t a n 2c o s 1t a n 2a a a -=+ 22t a n2t a n 1t a n2a a a=- 7.平方关系 22sin cos 1x x += 22sec n 1x ta x -= 22csc cot 1x x -=8.倒数关系 tan cot 1x x ⋅=sec cos 1x x ⋅=c sin 1cs x x ⋅=9.商数关系sin tan cos xx x =cos cot sin xx x=分部积分法公式⑴形如n ax x e dx ⎰,令n u x =,axdv e dx =形如sin n x xdx ⎰令nu x =,sin dv xdx =形如cos nx xdx ⎰令nu x =,cos dv xdx =⑵形如arctan nx xdx ⎰,令arctan u x =,n dv x dx =形如ln nx xdx ⎰,令ln u x =,ndv x dx =⑶形如sin axe xdx ⎰,cos ax e xdx ⎰令,sin ,cos axu e x x =均可。

第二换元积分法中的三角换元公式s i n x a t = (2)t a n x a t= sec x a t = 可分离变量的微分方程:()()dyf xg y dx= , ()()()()11220f x g y dx f x g y dy += 齐次微分方程:dy y f dx x ⎛⎫= ⎪⎝⎭一阶线性非齐次微分方程:()()dy p x y Q x dx += 解为:()()()p x dx p x dx y e Q x e dx c -⎡⎤⎰⎰=+⎢⎥⎣⎦⎰。