求下列函数的导数与微分 1.y=arctanx³,求dy. 谢谢~~. dy=3x²/(1+x^6)dx;如果本题有什么不明白可以追问,
https://www.ouer.net/shuxue/fwvk.html - 2021-01-13 17:59:15 - 数学作业答案微分方程中的通解和特解它们的区别在哪里?它们和线性方程组的通解和特解有什么区别?.
https://www.ouer.net/chuzhongshuxue/x5wz.html - 2022-11-15 02:35:34 - 中学数学试题用微分求76开三次方的近似值....4^3=64 76^(1/3)=(64+12)^3=4(1+3/16)^(1/3)设f(x)=x^(1/3) f'(x)=(1/3)/x^(2/3)f(76)=f(64
https://www.ouer.net/chuzhongshuxue/wfvb.html - 2022-11-04 02:59:21 - 中学数学试题以函数y=Cx^2+x为通解的微分方程是____.y = Cx^2 + x (1)y' = 2Cx+1 (2)y'' = 2C (3)from (2)(y')^2 = 4C^2x^2+ 4Cx + 1=
https://www.ouer.net/chuzhongshuxue/uekr.html - 2022-10-24 13:30:29 - 中学数学试题求微分方程(dy/dx)+2xy=4x的通解..y'+2xy=4x两边同乘e^(x^2),为[ye^(x^2)]‘=4xe^(x^2),接下来你应该会了吧,不会追问我,积分符号不怎么好打
https://www.ouer.net/chuzhongshuxue/k9x6.html - 2022-07-29 20:42:06 - 中学数学试题求微分方程dy/dx=(x+y)^2+3的通解.令t=x+y,则dy/dx=dt/dx-1代入原方程,化简得d(t/2)/[1+(t/2)²]=2dx==>arctan(t/2)=2x+C (
https://www.ouer.net/zati/k118.html - 2022-07-23 04:20:12 - 中学考试杂题大学物理高斯定理积分形式与微分形式的区别和联系比如从电场传输方向讲.
https://www.ouer.net/qita/0zxf.html - 2021-05-09 16:56:53 - 其它设z=xy^3-x^2y^6,则在点(1,1)的全微分dz=多少?.
https://www.ouer.net/chuzhongshuxue/xn2r.html - 2022-11-09 22:55:09 - 中学数学试题关于考研数学求二阶常系数非齐次线性微分方程的问题已知方程为二阶常系数非齐次线性微分方程,并知其有两个特解:y1=cos2x-1/4xsin2x y2=sin2x-1/4xsin2x 现要求此方程的表达式
https://www.ouer.net/chuzhongshuxue/wr95.html - 2022-11-04 19:01:22 - 中学数学试题求微分方程y^n-y'-2y=2e^x的通解.题目应该是y''-y'-2y=2e^x 不是y^n
https://www.ouer.net/chuzhongshuxue/cmre.html - 2022-10-02 17:33:45 - 中学数学试题求微分方程dy/dx-ycotx=2xsinx通解如题,需要正确答案.这是一阶线性方程,直接用公式就可 通解为:y=e^( ∫cotxdx )(C+∫(e^(- ∫cotxdx )2xsinxdx)=sinx
https://www.ouer.net/chuzhongshuxue/1khz.html - 2022-11-25 13:25:21 - 中学数学试题微分方程(2x-y^2)*y’=2y的通解?谢谢咯!.
https://www.ouer.net/chuzhongshuxue/w36e.html - 2022-11-07 04:58:04 - 中学数学试题微分方程y " - 2y' + y = x.先求对应齐次方程的特征方程为r″-2r+1=0r1=r2=1齐次方程的通解为Y=e^x(C1+C2x)再求非其次方程的特特解形式为y0=e^(λx)·x^k·
https://www.ouer.net/chuzhongshuxue/x9vv.html - 2022-11-16 05:27:58 - 中学数学试题微分方程y"+y=x^2+1+sinx的特解形式可设为什么 怎么算啊.要输入符号,等下
https://www.ouer.net/chuzhongshuxue/rzwr.html - 2022-10-03 14:58:32 - 中学数学试题微分方程(y∧2+x∧2)dy-xydx=0的通解是.设y/x=t,则y=xt,dy=xdt+tdx∵(y²+x²)dy-xydx=0 ==>(y/x+x/y)dy-dx=0==>(
https://www.ouer.net/chuzhongshuxue/r46z.html - 2022-10-08 07:26:17 - 中学数学试题求解微分方程y-xy'=a(y^2+y').
https://www.ouer.net/chuzhongshuxue/r6dk.html - 2022-10-08 16:37:18 - 中学数学试题求微分方程的通解xy'-2y=x3cosx.
https://www.ouer.net/chuzhongshuxue/c8ku.html - 2022-10-01 20:37:43 - 中学数学试题Y'=e^(2x+y) 怎么求这个微分方程的通解.因为是关于Y的方程.把X看作常量,e^2x就可以直接分离开来,将e^y积分就可以了.
https://www.ouer.net/chuzhongshuxue/wu8m.html - 2022-11-05 07:50:00 - 中学数学试题微分方程y’’-3y’+2y=(x+1)e∧x的特解形式为.因为1是一重根,所以y*=x(ax+b)e^x
https://www.ouer.net/chuzhongshuxue/0r2f.html - 2022-11-19 14:47:44 - 中学数学试题求微分方程y''-4y'+4y=e^(-2x)的通解.
https://www.ouer.net/chuzhongshuxue/vm4v.html - 2022-11-01 23:34:40 - 中学数学试题y=2分之x sin2x的微分是多少.函数乘积的求导公式:(uv)'=uv'+vu'复合函数求导公式:f[g(x)]=f'[g(x)]g'(x)y=(xsin2x)/2y'=[x'sin2x+x(sin2x
https://www.ouer.net/chuzhongshuxue/wfv4.html - 2022-11-04 03:04:00 - 中学数学试题微分方程.(1+x)^2/ (1-x)dx .怎么积分噢..分子化为(1+x)^2=(x-1)^2+4(x-1)+4分式化为(1-x)-4+4/(1-x)逐个积分得 -0.5x^2-3x-4ln(x-1
https://www.ouer.net/zati/k13f.html - 2022-07-23 06:00:01 - 中学考试杂题常系数 线性 非齐次 一阶微分方程 的 RC(du/dt)+ u =0.特征方程RCx+1=0x=-1/RCu=k*exp(xt),k为常数=k*exp(-t/RC)
https://www.ouer.net/chuzhongshuxue/xwn5.html - 2022-11-13 01:17:51 - 中学数学试题求微分x^2y'=(x-1)y的通解,考试中求大神.x^2 dy/dx=(x-1)y=> dy/y=(x-1)/x^2dx两边同时积分即可
https://www.ouer.net/chuzhongshuxue/x7nh.html - 2022-11-15 12:43:56 - 中学数学试题求微分方程xy"+y'+x=0的通解.xy"+y'+x=0xy"+y'=-x(xy')'=-x两边积分得xy'=-x^2/2+C1y'=-x/2+C1/x两边再积分得y=-x^2/4+C1lnx+C2
https://www.ouer.net/chuzhongshuxue/z831.html - 2022-05-11 00:53:11 - 中学数学试题y^3y''-1=0,微分方程通解.令y'=p(y),y''=(dp/dy)(dy/dx)=(dp/dy)p原方程化为:y^3*(dp/dy)p-1=0,分离变量得:pdp=dy/y^3两边积分得:1/
https://www.ouer.net/chuzhongshuxue/u10u.html - 2022-10-22 05:36:08 - 中学数学试题求微分方程(dy)/(dx)+2xy-xe^(-x^2)=0的通解.y'+2xy=xe^(-x^2)e^(x^2)(y'+2xy)=x(ye^(x^2))'=x两边积分:ye^(x^2)=x^2/2+Cy
https://www.ouer.net/chuzhongshuxue/0bm4.html - 2022-11-18 21:31:19 - 中学数学试题求解微分方程y(x-1)dy=(y²-1)dx.y/(y²-1)dy=1/(x-1) dx1/2(y²-1)d(y²-1)=1/(x-1)d(x-1)ln(y²
https://www.ouer.net/chuzhongshuxue/f08.html - 2022-01-30 00:07:05 - 中学数学试题设函数f(x)=(x-1)sinx+e^x求其导数和微分.f(x)=(x-1)sinx+e^xf'(x)=[(x-1)'sinx+(x-1)(sinx)']+e^x=sinx+(x-1)cosx+e^x
https://www.ouer.net/chuzhongshuxue/308.html - 2022-02-13 13:28:00 - 中学数学试题求微分方程 (dy)/(dx)+(y/x)=(a ln x)y^2 的通解 求解答,急!.
https://www.ouer.net/chuzhongshuxue/c8k1.html - 2022-10-01 20:39:52 - 中学数学试题微分方程(x^2) y‘+2xy=o的通解是.
https://www.ouer.net/chuzhongshuxue/v27h.html - 2022-10-30 01:48:05 - 中学数学试题求微分方程y’’+3y’=3x的通解.e^(3x)(y''+3y')=3xe^(3x)(y'e^(3x))'=3xe^(3x)两边积分:y'e^(3x)=∫xd(e^(3x))=xe^(3x)-∫e^(
https://www.ouer.net/chuzhongshuxue/x256.html - 2022-11-14 08:00:08 - 中学数学试题求微分方程 dy/dx=y^4/(1-2xy^3).y^4dx=dy-2xy^3dyy^4dx/dy+2xy^3=1y^2dx/dy+2xy=1/y^2d(xy^2)/dy=1/y^2d(xy^2)=dy
https://www.ouer.net/chuzhongshuxue/f1e.html - 2022-01-30 01:24:04 - 中学数学试题求微分方程y''-2y'+y=xe^x的特解.该方程是二阶线性常系数微分方程第一步:特征方程:r²-2r﹢1=0 得r1=r2=1∴齐次通解为y=(C1+C2×x)e^x第二步:设特解y=x&
https://www.ouer.net/chuzhongshuxue/0ccn.html - 2022-11-19 06:03:06 - 中学数学试题dy/dx+x^3(y-x)^2=1求微分方程的通解.设y'=dy/dx,(y'-1)+x^3(y-x)^2=0;x^3=-(y'-1)/(y-x)^2=(1/(y-x))'所以x^4+C=4/(y-x
https://www.ouer.net/chuzhongshuxue/f2k.html - 2022-01-30 01:40:07 - 中学数学试题请问y=arctan[(1-x^2)/(1+x^2)]的微分怎么算呢?.
https://www.ouer.net/chuzhongshuxue/f4da.html - 2022-09-23 09:43:19 - 中学数学试题求微分方程(y/x-1)dy/dx=(y/x)^2的解.令y/x=u则y=xuy'=u+xu'代入得:(u-1)(u+xu')=u^2得:xu'=u^2/(u-1)-uxdu/dx=u/(u-1)(u-
https://www.ouer.net/chuzhongshuxue/b7n.html - 2022-01-28 23:43:09 - 中学数学试题怎么确定二阶线性非齐次微分方程的特解形式.这个不好说吧,书上有详细的.先求对应的其次方程的解即通解,再找一个特解,相加即是其解.至于这个特解一帮比较容易看出,比如指数函数.
https://www.ouer.net/chuzhongshuxue/0k80.html - 2022-11-18 05:46:27 - 中学数学试题求下列微分方程的通解dy/dx+2xy-4x=0.
https://www.ouer.net/chuzhongshuxue/f3eb.html - 2022-09-23 08:04:55 - 中学数学试题求微分方程dy/dx-ny/x=e^x x^n的通解.dy/dx-ny/x=0y'=ny/xdy/y=ndx/xlny=nlnx+C'y=Ce^n*x用常数变异法得y=ue^n*xu'e^n*x=e^x
https://www.ouer.net/chuzhongshuxue/f2n.html - 2022-01-30 01:31:10 - 中学数学试题求二元函数混合微分 z=f(x²-y²,e的xy次方).求二元函数全微分 z=f[x²-y²,e^(xy)]设z=f(u,v),u=x²-y²
https://www.ouer.net/chuzhongshuxue/d3c6.html - 2022-08-26 10:20:43 - 中学数学试题微分方程y''+5y'+6y=0通解.通解的形式为y=e^(st),带入微分方程有s^2+5s+6=0,解为s1=-2,s2=-3通解为y=c1*e^(-2*t)+c2*e^(-3*t),c1、c2为常数
https://www.ouer.net/chuzhongshuxue/d8v2.html - 2022-09-02 05:23:30 - 中学数学试题已知z= 3sin(sin(xy)),则x=0,y=0时的全微分dz=().设sinxy=u,sinu=v所以z=3vdz=3(dv/du)(du/dx)(du/dy)=3cosu(ycosxy)(xcosxy
https://www.ouer.net/chuzhongshuxue/xn2b.html - 2022-11-09 22:53:18 - 中学数学试题求函数y=3sin2x+4e^x的导数dy/dx ,微分dy.
https://www.ouer.net/shuxue/msk7.html - 2020-12-10 08:36:15 - 数学作业答案求下列微分方程的通解 (x^2)*y''-2xy'-(y')^2=0.设u=y'x^2*U'-2xU-U^2=0上面是一个简单的一阶微分方程,后面的你自己去求吧.
https://www.ouer.net/chuzhongshuxue/wv20.html - 2022-11-05 12:48:00 - 中学数学试题求微分方程y'-2xy=0的通解,.由于y'=dy/dx,因此原方程就是 dy/dx=2xy 分离变量:dy/y=2xdx 两边积分得到:ln|y|=x+c |y|=c1e^(x) y=±c1e^(x)
https://www.ouer.net/chuzhongshuxue/v27b.html - 2022-10-30 01:49:56 - 中学数学试题dy/dx=(1+y^2)/(1+x^2),微分方程的解是?非常着急..dy/dx=(1+y^2)/(1+x^2)dy/(1+y^2)=dx/(1+x^2)arctany=arctanx+C
https://www.ouer.net/chuzhongshuxue/k9n1.html - 2022-07-29 05:09:58 - 中学数学试题求微分方程的通解(y^4-3x^2)dy+xydx=0.
https://www.ouer.net/chuzhongshuxue/f31f.html - 2022-09-23 05:57:41 - 中学数学试题求微分方程 y*y"-y'^2=0 的通解..设p=y',则y''=pdp/dy代入原方程得ypdp/dy-p²=0==>ydp/dy-p=0==>dp/p=dy/y==>ln│p│=ln│y
https://www.ouer.net/chuzhongshuxue/1kuc.html - 2022-11-25 15:26:36 - 中学数学试题y′ =10^(x+y) 急求这道高数题微分方程的通解..dy/dx=10^x* 10^y10^(-y)dy=10^x dx积分得:-10^(-y)/ln10=10^x/ln10 +C1化简得通y=-lg
https://www.ouer.net/chuzhongshuxue/v273.html - 2022-10-30 01:57:57 - 中学数学试题