【单选题】
微分方程<img src=https://huaweicloudobs.ahjxjy.cn/F5AEE80709BF6D850C217E8F9F3982D5.png title=~O`EN_U`@NITOHG_@AK4L3M.png alt=~O`EN_U`@NITOHG_@AK4L3M.png/>的通解为( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/B5FB02A644733E5728CD445DD930C346.png title=(1MJ94T4[ROVNBIW$AFVN%O.png alt=(1MJ94T4[ROVNBIW$AFVN%O.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/74567CEF6B6BA3C077180010165FB3AD.png title=0T15KPNI$[4SQ654L4PA@QR.png alt=0T15KPNI$[4SQ654L4PA@QR.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/9CA029BEB7C8BD5939622DDE9559439E.png title=1E~5D_UF]GB_RUW%LG7[E60.png alt=1E~5D_UF]GB_RUW%LG7[E60.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/5F5F71C8C832D82B26341610715C6DBC.png title=GPKPO93CFTMB()3`H8FVBCC.png alt=GPKPO93CFTMB()3`H8FVBCC.png/>
【单选题】
下列方程中是常微分方程的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/564BBAABA52FDB03817AC3E44B43BE85.png title=)PY7$S}PBSPTO3WO6%FC[K4.png alt=)PY7$S}PBSPTO3WO6%FC[K4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/F42BD3E8202E20213DB4120F54202A8B.png title=[PHLS@HH@K%V2ZQ92MM]BG7.png alt=[PHLS@HH@K%V2ZQ92MM]BG7.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/F1BB7F9AD9932A4DE7E9967150ED9809.png title=862U~4DO2528QIINE{[ZQRA.png alt=862U~4DO2528QIINE{[ZQRA.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/66F2F70E1D313377614BFEE12419CC07.png title=IS8C43Z@WY)MDHN7TO4X6}B.png alt=IS8C43Z@WY)MDHN7TO4X6}B.png/>
【单选题】
下列方程是常微分方程的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/A3CCF902222C5F3D3BE56F98276D413E.png title=$9D(S{W]Q9`9OGAQ[E`N4Y4.png alt=$9D(S{W]Q9`9OGAQ[E`N4Y4.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/4BDA6C1AAA4C3BEF722ED18102F63AF6.png title=9S6SM$0@C1]HYMGBJG4ZXAR.png alt=9S6SM$0@C1]HYMGBJG4ZXAR.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/3BB54C16B2D33E5DBFA6127B1136CA4F.png title=MSTNEZ%J~{38WE}K`N[B93S.png alt=MSTNEZ%J~{38WE}K`N[B93S.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/37260B65D2E3E54B0A9BDF6A6CB8A4DF.png title=OJWQGDXWBKQ7UC~GPT4O7NJ.png alt=OJWQGDXWBKQ7UC~GPT4O7NJ.png/>
【单选题】
下列微分方程是线性的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/BE7DADA5DC2CEF5E3BEF635723609A88.png title=7Y7X[B`B`YJ`50(BUA9ZMVJ.png alt=7Y7X[B`B`YJ`50(BUA9ZMVJ.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/E35CBD3EEDAC70CE691E66F129FAAFDA.png title=9VQW~`T%O8JZC_HRQ65`FDB.png alt=9VQW~`T%O8JZC_HRQ65`FDB.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B7B760708E09AF07B2C8837DF70C2589.png title=CD{A(O$T56~A}AUWCJ~W75R.png alt=CD{A(O$T56~A}AUWCJ~W75R.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/94CE66F44A257D96B3E720C101117100.png title=I7VNJ}9$D~3}[{@`S~4RLR0.png alt=I7VNJ}9$D~3}[{@`S~4RLR0.png/>
【单选题】
若<img src=https://huaweicloudobs.ahjxjy.cn/35EE784092FF7ACB6F7DD4A89C24329D.png title=QQ图片20160224221501.png alt=QQ图片20160224221501.png/>是二阶非齐次线性方程<img src=https://huaweicloudobs.ahjxjy.cn/BF80E75DC88661040CEB417E72A89625.png title=QQ图片20160224221516.png alt=QQ图片20160224221516.png/>的三个线性无关的特解,<img src=https://huaweicloudobs.ahjxjy.cn/33E05B95D74C8390CB16B77459FF34F7.png title=QQ图片20160224221546.png alt=QQ图片20160224221546.png/>为任意常数,则该方程的通解为( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/58793071810DC05D4132755BAA68B6C1.png title=QQ图片20160224221602.png alt=QQ图片20160224221602.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/BD6314F2A0B44ECEBDA7804F681D165D.png title=QQ图片20160224221627.png alt=QQ图片20160224221627.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/36BB040484C742B66EA68C10B95D7011.png title=QQ图片20160224221639.png alt=QQ图片20160224221639.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/F119C09F959A0EEB5FB5079F2DE597EB.png title=QQ图片20160224221651.png alt=QQ图片20160224221651.png/>
【单选题】
下列微分方程是线性的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/BE7DADA5DC2CEF5E3BEF635723609A88.png title=7Y7X[B`B`YJ`50(BUA9ZMVJ.png alt=7Y7X[B`B`YJ`50(BUA9ZMVJ.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/E35CBD3EEDAC70CE691E66F129FAAFDA.png title=9VQW~`T%O8JZC_HRQ65`FDB.png alt=9VQW~`T%O8JZC_HRQ65`FDB.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/B7B760708E09AF07B2C8837DF70C2589.png title=CD{A(O$T56~A}AUWCJ~W75R.png alt=CD{A(O$T56~A}AUWCJ~W75R.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/94CE66F44A257D96B3E720C101117100.png title=I7VNJ}9$D~3}[{@`S~4RLR0.png alt=I7VNJ}9$D~3}[{@`S~4RLR0.png/>
【单选题】
下列微分方程中是线性方程的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/538DC78DFD1EF553D74C41A4131824E3.png title=TZCU`(NG15E0O25O8YRK%{Q.png alt=TZCU`(NG15E0O25O8YRK%{Q.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/21422698CF0F55B4934382411DFF99D3.png title=2@I}([~4E@B}CAY_`(TJ(FT.png alt=2@I}([~4E@B}CAY_`(TJ(FT.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/56F50984A5BF03CD41E8E32733242830.png title=BBFNI(E$6Y9F`XB}TJ){(_O.png alt=BBFNI(E$6Y9F`XB}TJ){(_O.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/08350B5CFE2057C6699FB3C059382905.png title=G$JRDI}P@[E~JTF{E40G$]5.png alt=G$JRDI}P@[E~JTF{E40G$]5.png/>
【单选题】
微分方程<img src=https://huaweicloudobs.ahjxjy.cn/12225FB1DC37B2F2F1CB9F927DF3A25B.png title=(99YYCW[XI`6{1TSUD%DBL9.png alt=(99YYCW[XI`6{1TSUD%DBL9.png/>的通解<img src=https://huaweicloudobs.ahjxjy.cn/ED13234A1B91AA11BDCDE67E3DDBFBE9.png title=H{J]{KN}]5Q{SVAUQXA$7SG.png alt=H{J]{KN}]5Q{SVAUQXA$7SG.png/>为( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/C3B965C2336B8EAC06A6286A3C81BD21.png title=~~[MS9DZ)7O%Z9OL0J~2I7T.png alt=~~[MS9DZ)7O%Z9OL0J~2I7T.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/2378775CBFE769FCF1D4B4E57AE2434C.png title=N1(D]5I7Q(J4%%JO2P3{[`N.png alt=N1(D]5I7Q(J4%%JO2P3{[`N.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/2BCF30648B51450288CD3D731FD96352.png title=Y{CDVS4E)REOL[8`O(9F1XY.png alt=Y{CDVS4E)REOL[8`O(9F1XY.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/B445CDACE8238F3AA4710AB449E88CA1.png title=ZPHQ6AK$6_A403]}[[4S6EE.png alt=ZPHQ6AK$6_A403]}[[4S6EE.png/>
【单选题】
下列方程中为常微分方程的是( )
①
<img src=https://huaweicloudobs.ahjxjy.cn/76EE3344F4B3F0A400C563E1B75A05C5.png title=[SEKXVFY5BOH_UDV{CX8M[1.png alt=[SEKXVFY5BOH_UDV{CX8M[1.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/D2DA254C17523F281086022731C2A350.png title=DSX_H$AY$PVE[]DGSEMDT92.png alt=DSX_H$AY$PVE[]DGSEMDT92.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/772A07E0D831407BCCD6B1F9D797AB76.png title=]}7)$G$DUS1LB24{_(9`R@X.png alt=]}7)$G$DUS1LB24{_(9`R@X.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/46E6359E976B296C22C90C2B12285D14.png title=OH~JT`{B9@%]}CGWWIST`RK.png alt=OH~JT`{B9@%]}CGWWIST`RK.png/>