方程的通解可以写成。()7add1a0174b3a49952100cd0070f8da0.gif20727f26bdaa4fed32a08861141d2f57.gif

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 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．b7与a7的“逻辑或”结果一定为1 B．b7与a7的“逻辑与”结果一定为0 C．b7与a7的“逻辑异或”结果一定为1 D．b7与a7的“逻辑异或”结果一定为0

<img src='https://img2.soutiyun.com/ask/2020-10-27/972662264839027.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

求下列二阶非齐次线性微分方程的通解或满足给定初始条件的特解: <img src='https://img2.soutiyun.com/ask/2020-12-11/97653467718402.png' />

求二阶线性非齐次差分方程<img src='https://img2.soutiyun.com/ask/2020-12-17/977053475208976.png' />的通解

A．通解中特解1的系数是任意一条轨迹在阴极面的初始出射高度 B．通解中特解2的系数是任意一条轨迹在阴极面的初始出射高度 C．通解中特解1的系数是任意一条轨迹在阴极面的初始出射斜率 D．通解中特解2的系数是任意一条轨迹在阴极面的初始出射斜率

设两个8位补码表示的数b7b6b5b4b3b2b1b0和a7a6a5a4a3a2a1a0相加时溢出(b7、a7为符号标志)，则(2)。 A.b7与a7的“逻辑或”结果一定为1 B.b7与a7的“逻辑与”结果一定为0 C.b7与a7的“逻辑异或”结果一定为1 D.b7与a7的“逻辑异或”结果一定为0

<img src='https://img2.soutiyun.com/ask/2020-10-27/972663120445965.png' />

<img src='https://img2.soutiyun.com/ask/2020-11-16/974383173165904.png' />

已知<img src='https://img2.soutiyun.com/ask/2021-03-05/98379042160922.png' />是方程组 <img src='https://img2.soutiyun.com/ask/2021-03-05/983790431019759.png' /> 的三个解,求此方程组的通解.

<img src='https://img2.soutiyun.com/ask/2020-10-27/97267134023011.png' />