方程的通解为。()。d8dd0cb8888a4e0fcbb2dd779fc6df8f.gif2fc222ed4199a04712c079486e6ae3aa.gif

A . 1+x2=cyB . （1+x2）（3+2y）=cC .https://assets.asklib.com/psource/2015110316014925465.png D . （1+x2）2（3+2y）=c

A . y=C +C x+C e +C e B . y=C cosx+C sinx+C x+C C . y=C +C X+C e +C e D . y=C e +C e +C cosx+C sinx

A .https://assets.asklib.com/images/image2/2017051115262332611.png B .https://assets.asklib.com/images/image2/201705111526331392.png C .https://assets.asklib.com/images/image2/2017051115263940123.png D .https://assets.asklib.com/images/image2/2017051115264827726.png

A . y=C x +C B . y=C x +C x C . y=x +C x+C D . y=C x t+C x+C

A . y=C1lnx+C2 B . y=C1lnx+C2X C . y=C（lnx+1） D . y=C（lnx+x）

A . ['A.https://assets.asklib.com/psource/2015103009005080606.jpg B . y=CxC .https://assets.asklib.com/psource/2015103009010860374.jpg D . y=x+C

A . y=C e +C e B . y=e （C +C x） C . y=C e +C e D . y=C e +C e

A . y=sinx+cosx+C x+C B . y=-sinx-cosx+C x+C C . y=sinx-cosx+C x+C D . y=-sinx+cosx+C x+

A．y=e^x+e^-x B．y=e^x-e^-x C．y=C₁e^x+C₂e^-x D．y=C₁e^2x+C₂e^-2x

微分方程y&quot;+2y&amp;39;+3y=0的通解为（） <img src='https://img2.soutiyun.com/ask/uploadfile/9711001-9714000/c4f899776b5c0f64cf7b4297dd6530e9.png' />

微分方程yy"-y'2=0的通解为()。 <img src='https://img2.soutiyun.com/shangxueba/ask/1593001-1596000/1593579/ct_jggysbnjsm_jggysbnjschoose_0367(106).jpg' />

A.sinx+C1x+C2 B.sinx+C1+C2 C.-sinx+C1x+C2 D.-sinx+C1+C2

微分方程y&quot;+4y&amp;39;+4y=0的通解为() <img src='https://img2.soutiyun.com/ask/uploadfile/9819001-9822000/0114f033e5fd1ce4fe144720818b3399.png' />

A．y=cos(x+c1)+c2 B．y=sin(x+c1)+c2 C．y=-In|cos(x+c1)|+c2 D．y=-In|sin(x+c1)|+c2

方程e^xy&39;-1=0的通解为______；

A.<img src='https://img2.soutiyun.com/ask/2020-12-11/976570627255246.png' /> B.<img src='https://img2.soutiyun.com/ask/2020-12-11/976570636978802.png' /> C.<img src='https://img2.soutiyun.com/ask/2020-12-11/976570649953544.png' /> D.<img src='https://img2.soutiyun.com/ask/2020-12-11/976570665915458.png' />

A．y=cosx+c B．y=c₁cosx+c₂ C．y=c₁+c₂sinx D．y=c₁cosx+c₂sinx